Stop testing Python 3.6 (EOL 2021-12-21)

.travis.yml

@@ -3,8 +3,6 @@ language: python
 
 matrix:
     include:
-        # - python: "3.9"
-        #   env: TOXENV=check
         - python: "3.11"  # EOL 2027-10-24
           env: TOXENV=check,py311
           dist: bionic
@@ -20,20 +18,20 @@ matrix:
           dist: xenial
           before_install:
             # Fix "AttributeError: 'str' object has no attribute 'name'" on Py37
-            - pip install -U importlib_metadata
-        - python: "3.6"  # EOL 2021-12-21
-          env: TOXENV=py36
+            - pip install -U pip importlib_metadata
+        # - python: "3.6"  # EOL 2021-12-21
+        #   env: TOXENV=py36
         # - python: "3.5"  # EOL 2020-09-13
         #   env: TOXENV=py35
         # - python: "3.4"  # EOL 2019-03-18
         #   env: TOXENV=py34
-        - python: "3.12-dev"
-          env: TOXENV=py312
-          dist: bionic
+        # - python: "3.12-dev"
+        #   env: TOXENV=py312
+        #   dist: bionic
     allow_failures:
-        - python: "3.12-dev"
-          env: TOXENV=py312
-          dist: bionic
+        # - python: "3.12-dev"
+        #   env: TOXENV=py312
+        #   dist: bionic
 
 before_install:
     # See issue #80: litmus fails to build on travis

CHANGELOG.md

@@ -5,6 +5,7 @@
 - #277 Add quota-used-bytes and quota-available-bytes (RFC4331) (@NewbieOrange)
 - Build MSI installer with Python 3.11, cheroot 9.0, cx_Freeze 6.3 (may fix #278)
 - Official support for Python 3.11
+- Stop testing Python 3.6 (EOL 2021-12-21)
 - Update to black 22.12
 
 ## 4.1.0 / 2022-11-11

tox.ini

@@ -8,7 +8,7 @@ envlist =
     py39  # EOL 2025-10-05
     py38  # EOL 2024-10-14
     py37  # EOL 2023-06-27
-    py36  # EOL 2021-12-21
+    # py36  # EOL 2021-12-21
     # py35  # EOL 2020-09-13
     # py34  # EOL 2019-03-18
     coverage