Fix publishing for the first time with a prerelease

CHANGELOG.md

@@ -31,6 +31,7 @@
 - Fixed transitive directory dependencies installation.
 - Fixed file permissions for configuration and authentication files.
 - Fixed an error in `cache:clear` for Python 2.7.
+- Fixed publishing for the first time with a prerelease.
 
 
 ## [0.11.5] - 2018-09-04

poetry/masonry/builders/sdist.py

@@ -9,9 +9,7 @@ from gzip import GzipFile
 from io import BytesIO
 from posixpath import join as pjoin
 from pprint import pformat
-from typing import List
 
-from poetry.packages import Dependency
 from poetry.utils._compat import Path
 from poetry.utils._compat import encode
 from poetry.utils._compat import to_str

poetry/masonry/publishing/uploader.py

@@ -250,7 +250,9 @@ class Uploader:
         Register a package to a repository.
         """
         dist = self._poetry.file.parent / "dist"
-        file = dist / "{}-{}.tar.gz".format(self._package.name, self._package.version)
+        file = dist / "{}-{}.tar.gz".format(
+            self._package.name, normalize_version(self._package.version.text)
+        )
 
         if not file.exists():
             raise RuntimeError('"{0}" does not exist.'.format(file.name))