Drop legacy Python support

Author: PeterJCLaw

.circleci/config.yml

@@ -34,18 +34,9 @@ references:
   version-matrix: &version-matrix
     matrix:
       parameters:
-        python-version: ["3.5.5", "3.6", "3.7", "3.8", "3.9", "3.10"]
+        python-version: ["3.6", "3.7", "3.8", "3.9", "3.10"]
         django-version: ["2.2", "3.0", "3.1", "3.2", "4.0"]
       exclude:
-        - python-version: "3.5.5"
-          django-version: "3.0"
-        - python-version: "3.5.5"
-          django-version: "3.1"
-        - python-version: "3.5.5"
-          django-version: "3.2"
-
-        - python-version: "3.5.5"
-          django-version: "4.0"
         - python-version: "3.6"
           django-version: "4.0"
         - python-version: "3.7"

poetry.lock

@@ -10,7 +10,7 @@ packages = [
 ]
 
 [tool.poetry.dependencies]
-python = "^3.5"
+python = "^3.6"
 django = ">=2.2,<5"
 django-debug-toolbar = ">=2,<4"