Drop python 3.7 support

Author: mikemanger

.github/workflows/tests.yml

@@ -9,8 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        # Python 3.6 is not supported by ubuntu-latest
-        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11', '3.12', '3.13']
+        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12', '3.13']
 
     steps:
     - uses: actions/checkout@v4

setup.py

@@ -34,8 +34,6 @@
         "Programming Language :: Python :: 3",
 
         # Specifically, we support the following releases.
-        "Programming Language :: Python :: 3.6",
-        "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",

tox.ini

@@ -4,20 +4,20 @@
 # and then run "tox" from this directory.
 
 [tox]
-env_list = py36, py37, py38, py39, py310, py311, py312, py313
+env_list = py38, py39, py310, py311, py312, py313
 
 [testenv]
 commands =
     pytest --cov=lib
 deps =
+    pip
     pytest-cov
 # This needs to be set to include the test fixtures
 use_develop = true
 
 [gh]
+# Maps python versions for GitHub workflow
 python =
-    3.6: py36
-    3.7: py37
     3.8: py38
     3.9: py39
     3.10: py310