Run tests against Python 3.9 and add trove classifier

.github/workflows/tests.yml

@@ -13,7 +13,7 @@ jobs:
 
     strategy:
       matrix:
-        python-version: [3.5, 3.6, 3.7, 3.8]
+        python-version: [3.5, 3.6, 3.7, 3.8, 3.9.0-rc.2 - 3.9]
 
     steps:
       - uses: actions/checkout@v2

CHANGELOG.md

@@ -11,6 +11,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 - Support to django 3.1 `JSONField` [PR #85](https://github.com/model-bakers/model_bakery/pull/85) and [PR #106](https://github.com/model-bakers/model_bakery/pull/106)
 - [dev] Changelog reminder (GitHub action)
 - Added type annotations [PR #100](https://github.com/model-bakers/model_bakery/pull/100)
+- Support for Python 3.9 [PR #113](https://github.com/model-bakers/model_bakery/pull/113/)
 
 ### Changed
 - [dev] CI switched to GitHub Actions

setup.py

@@ -26,9 +26,11 @@
         "Operating System :: OS Independent",
         "Topic :: Software Development",
         "Programming Language :: Python",
+        "Programming Language :: Python :: 3 :: Only",
         "Programming Language :: Python :: 3.5",
         "Programming Language :: Python :: 3.6",
         "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",
+        "Programming Language :: Python :: 3.9",
     ],
 )

tox.ini

@@ -2,6 +2,7 @@
 envlist =
     py35-django{111,20,21,22}-{postgresql,sqlite}
     py{36,37,38}-django{111,20,21,22,30,31}-{postgresql,sqlite}
+    py{39}-django{31}-{postgresql,sqlite}
     flake8
     isort
     pydocstyle
@@ -14,6 +15,7 @@ python =
     3.6: py36
     3.7: py37
     3.8: py38,flake8,isort,pydocstyle,black,mypy
+    3.9: py39
 
 [testenv]
 setenv =
@@ -29,7 +31,7 @@ deps =
     django20: Django==2.0
     django21: Django==2.1
     django22: Django==2.2
-    django30: Django>=3.0a1,<3.1
+    django30: Django>=3.0,<3.1
     django31: Django>=3.1,<3.2
     postgresql: psycopg2-binary
 commands =