Chore: Add support for Python 3.9 (#105)

Author: hugovk

.github/workflows/ci-workflow.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        python-version: [3.5, 3.6, 3.7, 3.8]
+        python-version: [3.5, 3.6, 3.7, 3.8, 3.9]
         os: [ubuntu-latest, macos-latest, windows-latest]
 
     steps:

README.rst

@@ -65,7 +65,7 @@ Otherwise pip will refuse to install ``git-up`` due to ``Access denied`` errors.
 Python version compatibility:
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
-Python 3.5, 3.6, 3.7 and 3.8 are supported :)
+Python 3.5-3.9 are supported :)
 
 Options and Configuration
 -------------------------

pyproject.toml

@@ -23,6 +23,7 @@ classifiers = [
     "Programming Language :: Python :: 3.6",
     "Programming Language :: Python :: 3.7",
     "Programming Language :: Python :: 3.8",
+    "Programming Language :: Python :: 3.9",
     "Topic :: Software Development :: Version Control",
     "Topic :: Utilities",
 ]