Remove Python 3.6

.github/workflows/python-tests.yml

@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [3.6, 3.7, 3.8, 3.9]
+        python-version: [3.7, 3.8, 3.9]
 
     steps:
     - uses: actions/checkout@v2

docs/changelog.rst

@@ -7,6 +7,8 @@ Version 2.3.dev
 
 Not released yet.
 
+Sigal now requires Python 3.7+.
+
 
 Version 2.2
 ~~~~~~~~~~~

setup.cfg

@@ -15,7 +15,6 @@ classifiers =
     License :: OSI Approved :: MIT License
     Operating System :: OS Independent
     Programming Language :: Python :: 3
-    Programming Language :: Python :: 3.6
     Programming Language :: Python :: 3.7
     Programming Language :: Python :: 3.8
     Programming Language :: Python :: 3.9
@@ -27,7 +26,7 @@ classifiers =
 zip_safe = False
 include_package_data = True
 packages = find:
-python_requires = >=3.6
+python_requires = >=3.7
 install_requires =
     blinker
     click

tox.ini

@@ -1,11 +1,10 @@
 [tox]
-envlist = py{36,37,38,39}-pillow{70,71,-latest},pypy3,check
+envlist = py{37,38,39}-pillow{71,-latest},pypy3,check
 skip_missing_interpreters = true
 isolated_build = true
 
 [gh-actions]
 python =
-    3.6: py36-pillow70
     3.7: py37-pillow71
     3.8: py38-pillow-latest, check
     3.9: py39-pillow-latest