Revert "remove python 3.6"

This reverts commit c2062da244.

.github/workflows/main.yml

@@ -14,6 +14,7 @@ jobs:
     strategy:
       matrix:
         python-version:
+        - '3.6'
         - '3.7'
         - '3.8'
         - '3.9'
@@ -36,9 +37,18 @@ jobs:
     - name: Install dependencies
       run: python -m pip install --upgrade codecov tox
 
+    - name: Install tox-py
+      if: ${{ matrix.python-version == '3.6' }}
+      run: python -m pip install --upgrade tox-py
+
     - name: Run tox targets for ${{ matrix.python-version }}
+      if: ${{ matrix.python-version != '3.6' }}
       run: tox run -f py$(echo ${{ matrix.python-version }} | tr -d .)
 
+    - name: Run tox targets for ${{ matrix.python-version }}
+      if: ${{ matrix.python-version == '3.6' }}
+      run: tox --py current
+
     - name: Run extra tox targets
       if: ${{ matrix.python-version == '3.9' }}
       run: |

pyproject.toml

@@ -33,7 +33,7 @@ classifiers = [
     "Programming Language :: Python :: 3 :: Only",
     "Topic :: Internet :: WWW/HTTP",
 ]
-requires-python = ">=3.7"
+requires-python = ">=3.6"
 dependencies = [
     "django>=3.0",
     'backports.zoneinfo;python_version<"3.9"',