[pre-commit.ci] pre-commit autoupdate (#8136)

Co-authored-by: Bartek Sokorski <b.sokorski@gmail.com>

.pre-commit-config.yaml

@@ -21,7 +21,7 @@ repos:
       - id: check-docstring-first
 
   - repo: https://github.com/psf/black
-    rev: 23.3.0
+    rev: 23.7.0
     hooks:
       - id: black
 
@@ -30,7 +30,7 @@ repos:
     hooks:
       - id: validate_manifest
 
-  - repo: https://github.com/charliermarsh/ruff-pre-commit
-    rev: v0.0.272
+  - repo: https://github.com/astral-sh/ruff-pre-commit
+    rev: v0.0.278
     hooks:
     -   id: ruff

pyproject.toml

@@ -135,6 +135,9 @@ known-first-party = ["poetry"]
 known-third-party = ["poetry.core"]
 required-imports = ["from __future__ import annotations"]
 
+[tool.ruff.per-file-ignores]
+"src/poetry/console/*" = ["RUF012"]  # Can't annotate properly until new version of Cleo
+
 [tool.black]
 target-version = ['py38']
 preview = true

src/poetry/config/config.py

@@ -9,6 +9,7 @@ from copy import deepcopy
 from pathlib import Path
 from typing import TYPE_CHECKING
 from typing import Any
+from typing import ClassVar
 
 from packaging.utils import canonicalize_name
 
@@ -104,7 +105,7 @@ _default_config: Config | None = None
 
 
 class Config:
-    default_config: dict[str, Any] = {
+    default_config: ClassVar[dict[str, Any]] = {
         "cache-dir": str(DEFAULT_CACHE_DIR),
         "virtualenvs": {
             "create": True,

src/poetry/config/source.py

@@ -21,11 +21,9 @@ class Source:
             self.priority = Priority[self.priority.upper()]
         if default or secondary:
             warnings.warn(
-                (
-                    "Parameters 'default' and 'secondary' to"
-                    " 'Source' are deprecated. Please provide"
-                    " 'priority' instead."
-                ),
+                "Parameters 'default' and 'secondary' to"
+                " 'Source' are deprecated. Please provide"
+                " 'priority' instead.",
                 DeprecationWarning,
                 stacklevel=2,
             )

src/poetry/console/commands/add.py

@@ -30,10 +30,8 @@ class AddCommand(InstallerCommand, InitCommand):
         option(
             "dev",
             "D",
-            (
-                "Add as a development dependency. (<warning>Deprecated</warning>) Use"
-                " --group=dev instead."
-            ),
+            "Add as a development dependency. (<warning>Deprecated</warning>) Use"
+            " --group=dev instead.",
         ),
         option("editable", "e", "Add vcs/path dependencies as editable."),
         option(
@@ -66,10 +64,8 @@ class AddCommand(InstallerCommand, InitCommand):
         option(
             "dry-run",
             None,
-            (
-                "Output the operations but do not execute anything (implicitly enables"
-                " --verbose)."
-            ),
+            "Output the operations but do not execute anything (implicitly enables"
+            " --verbose).",
         ),
         option("lock", None, "Do not perform operations (only update the lockfile)."),
     ]

src/poetry/console/commands/check.py

@@ -22,10 +22,8 @@ class CheckCommand(Command):
         option(
             "lock",
             None,
-            (
-                "Checks that <comment>poetry.lock</> exists for the current"
-                " version of <comment>pyproject.toml</>."
-            ),
+            "Checks that <comment>poetry.lock</> exists for the current"
+            " version of <comment>pyproject.toml</>.",
         ),
     ]
 

src/poetry/console/commands/env/remove.py

@@ -13,10 +13,8 @@ class EnvRemoveCommand(Command):
     arguments = [
         argument(
             "python",
-            (
-                "The python executables associated with, or names of the virtual"
-                " environments which are to be removed."
-            ),
+            "The python executables associated with, or names of the virtual"
+            " environments which are to be removed.",
             optional=True,
             multiple=True,
         )

src/poetry/console/commands/init.py

@@ -40,20 +40,16 @@ class InitCommand(Command):
         option(
             "dependency",
             None,
-            (
-                "Package to require, with an optional version constraint, "
-                "e.g. requests:^2.10.0 or requests=2.11.1."
-            ),
+            "Package to require, with an optional version constraint, "
+            "e.g. requests:^2.10.0 or requests=2.11.1.",
             flag=False,
             multiple=True,
         ),
         option(
             "dev-dependency",
             None,
-            (
-                "Package to require for development, with an optional version"
-                " constraint, e.g. requests:^2.10.0 or requests=2.11.1."
-            ),
+            "Package to require for development, with an optional version"
+            " constraint, e.g. requests:^2.10.0 or requests=2.11.1.",
             flag=False,
             multiple=True,
         ),
@@ -330,10 +326,8 @@ You can specify a package in the following forms:
                     choices.append("")
 
                     package = self.choice(
-                        (
-                            "\nEnter package # to add, or the complete package name if"
-                            " it is not listed"
-                        ),
+                        "\nEnter package # to add, or the complete package name if"
+                        " it is not listed",
                         choices,
                         attempts=3,
                         default=len(choices) - 1,

src/poetry/console/commands/install.py

@@ -14,18 +14,14 @@ class InstallCommand(InstallerCommand):
         option(
             "no-dev",
             None,
-            (
-                "Do not install the development dependencies."
-                " (<warning>Deprecated</warning>)"
-            ),
+            "Do not install the development dependencies."
+            " (<warning>Deprecated</warning>)",
         ),
         option(
             "sync",
             None,
-            (
-                "Synchronize the environment with the locked packages and the specified"
-                " groups."
-            ),
+            "Synchronize the environment with the locked packages and the specified"
+            " groups.",
         ),
         option(
             "no-root", None, "Do not install the root package (the current project)."
@@ -33,28 +29,22 @@ class InstallCommand(InstallerCommand):
         option(
             "no-directory",
             None,
-            (
-                "Do not install any directory path dependencies; useful to install"
-                " dependencies without source code, e.g. for caching of Docker layers)"
-            ),
+            "Do not install any directory path dependencies; useful to install"
+            " dependencies without source code, e.g. for caching of Docker layers)",
             flag=True,
             multiple=False,
         ),
         option(
             "dry-run",
             None,
-            (
-                "Output the operations but do not execute anything "
-                "(implicitly enables --verbose)."
-            ),
+            "Output the operations but do not execute anything "
+            "(implicitly enables --verbose).",
         ),
         option(
             "remove-untracked",
             None,
-            (
-                "Removes packages not present in the lock file."
-                " (<warning>Deprecated</warning>)"
-            ),
+            "Removes packages not present in the lock file."
+            " (<warning>Deprecated</warning>)",
         ),
         option(
             "extras",
@@ -68,11 +58,9 @@ class InstallCommand(InstallerCommand):
         option(
             "compile",
             None,
-            (
-                "Compile Python source files to bytecode."
-                " (This option has no effect if modern-installation is disabled"
-                " because the old installer always compiles.)"
-            ),
+            "Compile Python source files to bytecode."
+            " (This option has no effect if modern-installation is disabled"
+            " because the old installer always compiles.)",
         ),
     ]
 

src/poetry/console/commands/lock.py

@@ -16,11 +16,9 @@ class LockCommand(InstallerCommand):
         option(
             "check",
             None,
-            (
-                "Check that the <comment>poetry.lock</> file corresponds to the current"
-                " version of <comment>pyproject.toml</>. (<warning>Deprecated</>) Use"
-                " <comment>poetry check --lock</> instead."
-            ),
+            "Check that the <comment>poetry.lock</> file corresponds to the current"
+            " version of <comment>pyproject.toml</>. (<warning>Deprecated</>) Use"
+            " <comment>poetry check --lock</> instead.",
         ),
     ]
 

src/poetry/console/commands/remove.py

@@ -21,19 +21,15 @@ class RemoveCommand(InstallerCommand):
         option(
             "dev",
             "D",
-            (
-                "Remove a package from the development dependencies."
-                " (<warning>Deprecated</warning>)"
-                " Use --group=dev instead."
-            ),
+            "Remove a package from the development dependencies."
+            " (<warning>Deprecated</warning>)"
+            " Use --group=dev instead.",
         ),
         option(
             "dry-run",
             None,
-            (
-                "Output the operations but do not execute anything "
-                "(implicitly enables --verbose)."
-            ),
+            "Output the operations but do not execute anything "
+            "(implicitly enables --verbose).",
         ),
         option("lock", None, "Do not perform operations (only update the lockfile)."),
     ]

src/poetry/console/commands/self/update.py

@@ -23,10 +23,8 @@ class SelfUpdateCommand(SelfCommand):
         option(
             "dry-run",
             None,
-            (
-                "Output the operations but do not execute anything "
-                "(implicitly enables --verbose)."
-            ),
+            "Output the operations but do not execute anything "
+            "(implicitly enables --verbose).",
         ),
     ]
     help = """\

src/poetry/console/commands/show.py

@@ -48,10 +48,8 @@ class ShowCommand(GroupCommand, EnvCommand):
         option(
             "why",
             None,
-            (
-                "When showing the full list, or a <info>--tree</info> for a single"
-                " package, also display why it's included."
-            ),
+            "When showing the full list, or a <info>--tree</info> for a single"
+            " package, also display why it's included.",
         ),
         option("latest", "l", "Show the latest version."),
         option(

src/poetry/console/commands/source/add.py

@@ -21,10 +21,8 @@ class SourceAddCommand(Command):
         ),
         argument(
             "url",
-            (
-                "Source repository URL."
-                " Required, except for PyPI, for which it is not allowed."
-            ),
+            "Source repository URL."
+            " Required, except for PyPI, for which it is not allowed.",
             optional=True,
         ),
     ]
@@ -33,28 +31,22 @@ class SourceAddCommand(Command):
         option(
             "default",
             "d",
-            (
-                "Set this source as the default (disable PyPI). A "
-                "default source will also be the fallback source if "
-                "you add other sources. (<warning>Deprecated</warning>, use --priority)"
-            ),
+            "Set this source as the default (disable PyPI). A "
+            "default source will also be the fallback source if "
+            "you add other sources. (<warning>Deprecated</warning>, use --priority)",
         ),
         option(
             "secondary",
             "s",
-            (
-                "Set this source as secondary. (<warning>Deprecated</warning>, use"
-                " --priority)"
-            ),
+            "Set this source as secondary. (<warning>Deprecated</warning>, use"
+            " --priority)",
         ),
         option(
             "priority",
             "p",
-            (
-                "Set the priority of this source. One of:"
-                f" {', '.join(p.name.lower() for p in Priority)}. Defaults to"
-                f" {Priority.PRIMARY.name.lower()}."
-            ),
+            "Set the priority of this source. One of:"
+            f" {', '.join(p.name.lower() for p in Priority)}. Defaults to"
+            f" {Priority.PRIMARY.name.lower()}.",
             flag=False,
         ),
     ]

src/poetry/console/commands/update.py

@@ -20,18 +20,14 @@ class UpdateCommand(InstallerCommand):
         option(
             "no-dev",
             None,
-            (
-                "Do not update the development dependencies."
-                " (<warning>Deprecated</warning>)"
-            ),
+            "Do not update the development dependencies."
+            " (<warning>Deprecated</warning>)",
         ),
         option(
             "dry-run",
             None,
-            (
-                "Output the operations but do not execute anything "
-                "(implicitly enables --verbose)."
-            ),
+            "Output the operations but do not execute anything "
+            "(implicitly enables --verbose).",
         ),
         option("lock", None, "Do not perform operations (only update the lockfile)."),
     ]

src/poetry/installation/chooser.py

@@ -48,10 +48,8 @@ class Chooser:
             if link.is_wheel:
                 if not self._no_binary_policy.allows(package.name):
                     logger.debug(
-                        (
-                            "Skipping wheel for %s as requested in no binary policy for"
-                            " package (%s)"
-                        ),
+                        "Skipping wheel for %s as requested in no binary policy for"
+                        " package (%s)",
                         link.filename,
                         package.name,
                     )
@@ -59,10 +57,8 @@ class Chooser:
 
                 if not Wheel(link.filename).is_supported_by_environment(self._env):
                     logger.debug(
-                        (
-                            "Skipping wheel %s as this is not supported by the current"
-                            " environment"
-                        ),
+                        "Skipping wheel %s as this is not supported by the current"
+                        " environment",
                         link.filename,
                     )
                     continue

src/poetry/installation/executor.py

@@ -370,12 +370,10 @@ class Executor:
             if self.supports_fancy_output():
                 self._write(
                     operation,
-                    (
-                        f"  <fg=default;options=bold,dark>•</> {operation_message}: "
-                        "<fg=default;options=bold,dark>Skipped</> "
-                        "<fg=default;options=dark>for the following reason:</> "
-                        f"<fg=default;options=bold,dark>{operation.skip_reason}</>"
-                    ),
+                    f"  <fg=default;options=bold,dark>•</> {operation_message}: "
+                    "<fg=default;options=bold,dark>Skipped</> "
+                    "<fg=default;options=dark>for the following reason:</> "
+                    f"<fg=default;options=bold,dark>{operation.skip_reason}</>",
                 )
 
             self._skipped[operation.job_type] += 1

src/poetry/locations.py

@@ -35,12 +35,10 @@ if sys.platform == "darwin":
 
     if any(file.exists() for file in (auth_toml, config_toml)):
         logger.warning(
-            (
-                "Configuration file exists at %s, reusing this"
-                " directory.\n\nConsider moving TOML configuration files to %s, as"
-                " support for the legacy directory will be removed in an upcoming"
-                " release."
-            ),
+            "Configuration file exists at %s, reusing this"
+            " directory.\n\nConsider moving TOML configuration files to %s, as"
+            " support for the legacy directory will be removed in an upcoming"
+            " release.",
             _LEGACY_CONFIG_DIR,
             CONFIG_DIR,
         )

src/poetry/mixology/failure.py

@@ -144,10 +144,8 @@ class _Writer:
                 self._visit(without_line)
                 self._write(
                     incompatibility,
-                    (
-                        f"{conjunction} because {with_line!s} ({line}),"
-                        f" {incompatibility_string}."
-                    ),
+                    f"{conjunction} because {with_line!s} ({line}),"
+                    f" {incompatibility_string}.",
                     numbered=numbered,
                 )
             else:
@@ -172,11 +170,9 @@ class _Writer:
 
                     self._write(
                         incompatibility,
-                        (
-                            f"{conjunction} because {cause.conflict!s}"
-                            f" ({self._line_numbers[cause.conflict]}),"
-                            f" {incompatibility_string}"
-                        ),
+                        f"{conjunction} because {cause.conflict!s}"
+                        f" ({self._line_numbers[cause.conflict]}),"
+                        f" {incompatibility_string}",
                         numbered=numbered,
                     )
         elif isinstance(cause.conflict.cause, ConflictCause) or isinstance(

src/poetry/mixology/solutions/providers/python_requirement_solution_provider.py

@@ -19,10 +19,8 @@ class PythonRequirementSolutionProvider(HasSolutionsForException):
             return False
 
         m = re.match(
-            (
-                "^The current project's Python requirement (.+) is not compatible "
-                "with some of the required packages Python requirement"
-            ),
+            "^The current project's Python requirement (.+) is not compatible "
+            "with some of the required packages Python requirement",
             str(exception),
         )
 

src/poetry/packages/locker.py

@@ -9,6 +9,7 @@ from hashlib import sha256
 from pathlib import Path
 from typing import TYPE_CHECKING
 from typing import Any
+from typing import ClassVar
 from typing import cast
 
 from packaging.utils import canonicalize_name
@@ -50,8 +51,13 @@ class Locker:
     _VERSION = "2.0"
     _READ_VERSION_RANGE = ">=1,<3"
 
-    _legacy_keys = ["dependencies", "source", "extras", "dev-dependencies"]
-    _relevant_keys = [*_legacy_keys, "group"]
+    _legacy_keys: ClassVar[list[str]] = [
+        "dependencies",
+        "source",
+        "extras",
+        "dev-dependencies",
+    ]
+    _relevant_keys: ClassVar[list[str]] = [*_legacy_keys, "group"]
 
     def __init__(self, lock: Path, local_config: dict[str, Any]) -> None:
         self._lock = lock

src/poetry/puzzle/provider.py

@@ -7,6 +7,7 @@ import time
 from collections import defaultdict
 from contextlib import contextmanager
 from typing import TYPE_CHECKING
+from typing import ClassVar
 from typing import cast
 
 from cleo.ui.progress_indicator import ProgressIndicator
@@ -93,7 +94,7 @@ class Indicator(ProgressIndicator):
 
 
 class Provider:
-    UNSAFE_PACKAGES: set[str] = set()
+    UNSAFE_PACKAGES: ClassVar[set[str]] = set()
 
     def __init__(
         self,

src/poetry/repositories/installed_repository.py

@@ -258,11 +258,9 @@ class InstalledRepository(Repository):
                 name = distribution.metadata.get("name")  # type: ignore[attr-defined]
                 if name is None:
                     logger.warning(
-                        (
-                            "Project environment contains an invalid distribution"
-                            " (<c1>%s</>). Consider removing it manually or recreate"
-                            " the environment."
-                        ),
+                        "Project environment contains an invalid distribution"
+                        " (<c1>%s</>). Consider removing it manually or recreate"
+                        " the environment.",
                         path,
                     )
                     skipped.add(path)

src/poetry/repositories/link_sources/base.py

@@ -5,6 +5,7 @@ import re
 
 from functools import cached_property
 from typing import TYPE_CHECKING
+from typing import ClassVar
 from typing import DefaultDict
 from typing import List
 
@@ -31,7 +32,7 @@ logger = logging.getLogger(__name__)
 class LinkSource:
     VERSION_REGEX = re.compile(r"(?i)([a-z0-9_\-.]+?)-(?=\d)([a-z0-9_.!+-]+)")
     CLEAN_REGEX = re.compile(r"[^a-z0-9$&+,/:;=?@.#%_\\|-]", re.I)
-    SUPPORTED_FORMATS = [
+    SUPPORTED_FORMATS: ClassVar[list[str]] = [
         ".tar.gz",
         ".whl",
         ".zip",

src/poetry/repositories/pypi_repository.py

@@ -62,10 +62,8 @@ class PyPiRepository(HTTPRepository):
                 results.append(package)
             except InvalidVersion:
                 self._log(
-                    (
-                        f'Unable to parse version "{result.version}" for the'
-                        f" {result.name} package, skipping"
-                    ),
+                    f'Unable to parse version "{result.version}" for the'
+                    f" {result.name} package, skipping",
                     level="debug",
                 )
 

src/poetry/repositories/repository_pool.py

@@ -135,11 +135,9 @@ class RepositoryPool(AbstractRepository):
 
         if default or secondary:
             warnings.warn(
-                (
-                    "Parameters 'default' and 'secondary' to"
-                    " 'RepositoryPool.add_repository' are deprecated. Please provide"
-                    " the keyword-argument 'priority' instead."
-                ),
+                "Parameters 'default' and 'secondary' to"
+                " 'RepositoryPool.add_repository' are deprecated. Please provide"
+                " the keyword-argument 'priority' instead.",
                 DeprecationWarning,
                 stacklevel=2,
             )

src/poetry/toml/file.py

@@ -38,11 +38,9 @@ class TOMLFile(BaseTOMLFile):
 
     def __getattr__(self, item: str) -> Any:
         warnings.warn(
-            (
-                "`__getattr__` will be removed from the `TOMLFile` in a future release."
-                "\n\nInstead of accessing properties of the underlying `Path` as "
-                "`tomlfile.whatever`, prefer `tomlfile.path.whatever`."
-            ),
+            "`__getattr__` will be removed from the `TOMLFile` in a future release."
+            "\n\nInstead of accessing properties of the underlying `Path` as "
+            "`tomlfile.whatever`, prefer `tomlfile.path.whatever`.",
             DeprecationWarning,
             stacklevel=2,
         )

src/poetry/utils/env/env_manager.py

@@ -78,10 +78,8 @@ class EnvManager:
     def _detect_active_python(io: None | IO = None) -> Path | None:
         io = io or NullIO()
         io.write_error_line(
-            (
-                "Trying to detect current active python executable as specified in"
-                " the config."
-            ),
+            "Trying to detect current active python executable as specified in"
+            " the config.",
             verbosity=Verbosity.VERBOSE,
         )
 
@@ -91,10 +89,8 @@ class EnvManager:
             io.write_error_line(f"Found: {executable}", verbosity=Verbosity.VERBOSE)
         else:
             io.write_error_line(
-                (
-                    "Unable to detect the current active python executable. Falling"
-                    " back to default."
-                ),
+                "Unable to detect the current active python executable. Falling"
+                " back to default.",
                 verbosity=Verbosity.VERBOSE,
             )
 

src/poetry/utils/setup_reader.py

@@ -5,6 +5,7 @@ import ast
 from configparser import ConfigParser
 from typing import TYPE_CHECKING
 from typing import Any
+from typing import ClassVar
 
 from poetry.core.constraints.version import Version
 
@@ -18,7 +19,7 @@ class SetupReader:
     Class that reads a setup.py file without executing it.
     """
 
-    DEFAULT: dict[str, Any] = {
+    DEFAULT: ClassVar[dict[str, Any]] = {
         "name": None,
         "version": None,
         "install_requires": [],
@@ -26,7 +27,7 @@ class SetupReader:
         "python_requires": None,
     }
 
-    FILES = ["setup.py", "setup.cfg"]
+    FILES: ClassVar[list[str]] = ["setup.py", "setup.cfg"]
 
     @classmethod
     def read_from_directory(cls, directory: Path) -> dict[str, Any]:

src/poetry/vcs/git/backend.py

@@ -296,10 +296,8 @@ class Git:
             if isinstance(e, KeyError):
                 # the local copy is at a bad state, lets remove it
                 logger.debug(
-                    (
-                        "Removing local clone (<c1>%s</>) of repository as it is in a"
-                        " broken state."
-                    ),
+                    "Removing local clone (<c1>%s</>) of repository as it is in a"
+                    " broken state.",
                     local.path,
                 )
                 remove_directory(Path(local.path), force=True)
@@ -308,11 +306,9 @@ class Git:
                 raise
 
             logger.debug(
-                (
-                    "\nRequested ref (<c2>%s</c2>) was not fetched to local copy and"
-                    " cannot be used. The following error was"
-                    " raised:\n\n\t<warning>%s</>"
-                ),
+                "\nRequested ref (<c2>%s</c2>) was not fetched to local copy and"
+                " cannot be used. The following error was"
+                " raised:\n\n\t<warning>%s</>",
                 refspec.key,
                 e,
             )
@@ -447,10 +443,8 @@ class Git:
             # without additional configuration or changes for existing projects that
             # use http basic auth credentials.
             logger.debug(
-                (
-                    "Unable to fetch from private repository '%s', falling back to"
-                    " system git"
-                ),
+                "Unable to fetch from private repository '%s', falling back to"
+                " system git",
                 url,
             )
 

tests/console/commands/test_init.py

@@ -848,15 +848,13 @@ def test_predefined_all_options(tester: CommandTester, repo: TestRepository) ->
     ]
 
     tester.execute(
-        (
-            "--name my-package "
-            "--description 'This is a description' "
-            "--author 'Foo Bar <foo@example.com>' "
-            "--python '^3.8' "
-            "--license MIT "
-            "--dependency pendulum "
-            "--dev-dependency pytest"
-        ),
+        "--name my-package "
+        "--description 'This is a description' "
+        "--author 'Foo Bar <foo@example.com>' "
+        "--python '^3.8' "
+        "--license MIT "
+        "--dependency pendulum "
+        "--dev-dependency pytest",
         inputs="\n".join(inputs),
     )
 
@@ -947,12 +945,10 @@ line-length = 88
     repo.add_package(get_package("foo", "1.19.2"))
 
     tester.execute(
-        (
-            "--author 'Your Name <you@example.com>' "
-            "--name 'my-package' "
-            "--python '^3.6' "
-            "--dependency foo"
-        ),
+        "--author 'Your Name <you@example.com>' "
+        "--name 'my-package' "
+        "--python '^3.6' "
+        "--dependency foo",
         interactive=False,
     )
 

tests/console/test_application.py

@@ -3,6 +3,7 @@ from __future__ import annotations
 import re
 
 from typing import TYPE_CHECKING
+from typing import ClassVar
 
 import pytest
 
@@ -32,7 +33,7 @@ class FooCommand(Command):
 
 
 class AddCommandPlugin(ApplicationPlugin):
-    commands = [FooCommand]
+    commands: ClassVar[list[type[Command]]] = [FooCommand]
 
 
 @pytest.fixture

tests/plugins/test_plugin_manager.py

@@ -2,6 +2,7 @@ from __future__ import annotations
 
 from pathlib import Path
 from typing import TYPE_CHECKING
+from typing import ClassVar
 from typing import Protocol
 
 import pytest
@@ -22,6 +23,7 @@ if TYPE_CHECKING:
     from cleo.io.io import IO
     from pytest_mock import MockerFixture
 
+    from poetry.console.commands.command import Command
     from tests.conftest import Config
     from tests.types import FixtureDirGetter
 
@@ -38,7 +40,7 @@ class MyPlugin(Plugin):
 
 
 class MyCommandPlugin(ApplicationPlugin):
-    commands = []
+    commands: ClassVar[list[type[Command]]] = []
 
 
 class InvalidPlugin: