Drop support for Python 3.7

.github/workflows/ci.yml

@@ -67,7 +67,7 @@ jobs:
     needs: [lint]
     strategy:
       matrix:
-        pyver: ['3.7', '3.8', '3.9', '3.10', '~3.11.0-0']
+        pyver: ['3.8', '3.9', '3.10', '~3.11.0-0']
         no-extensions: ['', 'Y']
         os: [ubuntu, macos, windows]
         exclude:

.readthedocs.yml

@@ -4,6 +4,6 @@ build:
   image: latest
 
 python:
-  version: 3.7
+  version: 3.10
   install:
     - requirements: requirements/doc.txt

CHANGES/413.removal

@@ -0,0 +1 @@
+Dropped Python 3.7 support.

setup.cfg

@@ -21,7 +21,6 @@ classifiers =
   Intended Audience :: Developers
   Programming Language :: Python
   Programming Language :: Python :: 3
-  Programming Language :: Python :: 3.7
   Programming Language :: Python :: 3.8
   Programming Language :: Python :: 3.9
   Programming Language :: Python :: 3.10
@@ -32,7 +31,7 @@ classifiers =
   Operating System :: Microsoft :: Windows
 
 [options]
-python_requires = >=3.7
+python_requires = >=3.8
 packages = find:
 # https://setuptools.readthedocs.io/en/latest/setuptools.html#setting-the-zip-safe-flag
 zip_safe = False

tox.ini

@@ -1,6 +1,6 @@
 [tox]
 
-envlist = check, clean, {py36,py37,py38,py39}-{cython,pure}, report
+envlist = check, clean, {py38,py39,py310}-{cython,pure}, report
 
 [testenv]
 
@@ -18,13 +18,6 @@ commands =
 setenv =
     pure: FROZENLIST_NO_EXTENSIONS = 1
 
-basepython:
-    py36: python3.6
-    py37: python3.7
-    py38: python3.8
-    py39: python3.9
-    py310: python3.10
-
 [testenv:check]
 
 deps =
@@ -38,7 +31,7 @@ commands =
     python setup.py check -rms
 
 basepython:
-    python3.8
+    python3.10
 
 [testenv:clean]
 
@@ -49,7 +42,7 @@ commands =
     coverage erase
 
 basepython:
-    python3.8
+    python3.10
 
 [testenv:report]