Update and relax tomlkit version requirement

poetry.lock

@@ -1028,8 +1028,8 @@ category = "main"
 description = "Style preserving TOML library"
 name = "tomlkit"
 optional = false
-python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "0.5.11"
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
+version = "0.7.0"
 
 [package.dependencies]
 enum34 = {version = ">=1.1,<2.0", markers = "python_version >= \"2.7\" and python_version < \"2.8\""}
@@ -1160,7 +1160,7 @@ docs = ["sphinx", "jaraco.packaging (>=3.2)", "rst.linker (>=1.9)"]
 testing = ["pathlib2", "unittest2", "jaraco.itertools", "func-timeout"]
 
 [metadata]
-content-hash = "20c1d02c76ead833a0b43da34477554bdb262f20fd1b7a8b530a5bf551cd9d4a"
+content-hash = "a10ca2fe31e4a6058114174f8c7c11e304575edf99ef74ee0b1d0c6b7aa0b6d7"
 lock-version = "1.1"
 python-versions = "~2.7 || ^3.5"
 
@@ -1437,6 +1437,11 @@ markupsafe = [
     {file = "MarkupSafe-1.1.1-cp37-cp37m-manylinux1_x86_64.whl", hash = "sha256:ba59edeaa2fc6114428f1637ffff42da1e311e29382d81b339c1817d37ec93c6"},
     {file = "MarkupSafe-1.1.1-cp37-cp37m-win32.whl", hash = "sha256:b00c1de48212e4cc9603895652c5c410df699856a2853135b3967591e4beebc2"},
     {file = "MarkupSafe-1.1.1-cp37-cp37m-win_amd64.whl", hash = "sha256:9bf40443012702a1d2070043cb6291650a0841ece432556f784f004937f0f32c"},
+    {file = "MarkupSafe-1.1.1-cp38-cp38-macosx_10_9_x86_64.whl", hash = "sha256:6788b695d50a51edb699cb55e35487e430fa21f1ed838122d722e0ff0ac5ba15"},
+    {file = "MarkupSafe-1.1.1-cp38-cp38-manylinux1_i686.whl", hash = "sha256:cdb132fc825c38e1aeec2c8aa9338310d29d337bebbd7baa06889d09a60a1fa2"},
+    {file = "MarkupSafe-1.1.1-cp38-cp38-manylinux1_x86_64.whl", hash = "sha256:13d3144e1e340870b25e7b10b98d779608c02016d5184cfb9927a9f10c689f42"},
+    {file = "MarkupSafe-1.1.1-cp38-cp38-win32.whl", hash = "sha256:596510de112c685489095da617b5bcbbac7dd6384aeebeda4df6025d0256a81b"},
+    {file = "MarkupSafe-1.1.1-cp38-cp38-win_amd64.whl", hash = "sha256:e8313f01ba26fbbe36c7be1966a7b7424942f670f38e666995b88d012765b9be"},
     {file = "MarkupSafe-1.1.1.tar.gz", hash = "sha256:29872e92839765e546828bb7754a68c418d927cd064fd4708fab9fe9c8bb116b"},
 ]
 mkdocs = [
@@ -1603,7 +1608,6 @@ regex = [
     {file = "regex-2020.7.14-cp38-cp38-manylinux1_i686.whl", hash = "sha256:5ea81ea3dbd6767873c611687141ec7b06ed8bab43f68fad5b7be184a920dc99"},
     {file = "regex-2020.7.14-cp38-cp38-manylinux1_x86_64.whl", hash = "sha256:bbb332d45b32df41200380fff14712cb6093b61bd142272a10b16778c418e98e"},
     {file = "regex-2020.7.14-cp38-cp38-manylinux2010_i686.whl", hash = "sha256:c11d6033115dc4887c456565303f540c44197f4fc1a2bfb192224a301534888e"},
-    {file = "regex-2020.7.14-cp38-cp38-manylinux2010_x86_64.whl", hash = "sha256:75aaa27aa521a182824d89e5ab0a1d16ca207318a6b65042b046053cfc8ed07a"},
     {file = "regex-2020.7.14-cp38-cp38-win32.whl", hash = "sha256:d6cff2276e502b86a25fd10c2a96973fdb45c7a977dca2138d661417f3728341"},
     {file = "regex-2020.7.14-cp38-cp38-win_amd64.whl", hash = "sha256:7a2dd66d2d4df34fa82c9dc85657c5e019b87932019947faece7983f2089a840"},
     {file = "regex-2020.7.14.tar.gz", hash = "sha256:3a3af27a8d23143c49a3420efe5b3f8cf1a48c6fc8bc6856b03f638abc1833bb"},
@@ -1658,8 +1662,8 @@ toml = [
     {file = "toml-0.10.1.tar.gz", hash = "sha256:926b612be1e5ce0634a2ca03470f95169cf16f939018233a670519cb4ac58b0f"},
 ]
 tomlkit = [
-    {file = "tomlkit-0.5.11-py2.py3-none-any.whl", hash = "sha256:4e1bd6c9197d984528f9ff0cc9db667c317d8881288db50db20eeeb0f6b0380b"},
-    {file = "tomlkit-0.5.11.tar.gz", hash = "sha256:f044eda25647882e5ef22b43a1688fb6ab12af2fc50e8456cdfc751c873101cf"},
+    {file = "tomlkit-0.7.0-py2.py3-none-any.whl", hash = "sha256:6babbd33b17d5c9691896b0e68159215a9387ebfa938aa3ac42f4a4beeb2b831"},
+    {file = "tomlkit-0.7.0.tar.gz", hash = "sha256:ac57f29693fab3e309ea789252fcce3061e19110085aa31af5446ca749325618"},
 ]
 tornado = [
     {file = "tornado-5.1.1-cp35-cp35m-win32.whl", hash = "sha256:732e836008c708de2e89a31cb2fa6c0e5a70cb60492bee6f1ea1047500feaf7f"},

pyproject.toml

@@ -35,7 +35,7 @@ cachecontrol = { version = "^0.12.4", extras = ["filecache"] }
 pkginfo = "^1.4"
 html5lib = "^1.0"
 shellingham = "^1.1"
-tomlkit = "^0.5.11"
+tomlkit = ">=0.7.0,<1.0.0"
 pexpect = "^4.7.0"
 packaging = "^20.4"
 virtualenv = { version = "^20.0.26" }