Drop support for Python 3.6.

.github/workflows/test.yml

@@ -15,7 +15,7 @@ jobs:
     strategy:
       matrix:
         os: ['ubuntu-latest']
-        python: ['3.6', '3.7', '3.8', '3.9']
+        python: ['3.7', '3.8', '3.9']
         framework: ['django~=1.11.0', 'django~=2.2.0', 'django~=3.0.0', 'django~=3.1.0', 'flask~=1.0.0', 'flask~=1.1.0']
         exclude:
           - os: 'ubuntu-latest'

CHANGES.md

@@ -49,7 +49,7 @@ the `soapfish` fork.
   - Attempts to fix handling of remote vs local imports.
 - **Miscellaneous:**
   - Renamed `SoapboxRequest` and `SoapboxResponse` to `SOAPRequest` and `SOAPResponse` respectively.
-  - Support Python 3.6+, Django 1.11, 2.2, 3.0 & 3.1, and Flask 1.0.0+
+  - Support Python 3.7+, Django 1.11, 2.2, 3.0 & 3.1, and Flask 1.0.0+
   - Improved testing against different versions of Python, Django & Flask.
   - Improved entry points for generation scripts - additional flags, etc.
   - Moved to using an external dependency for `iso8601`

README.md

@@ -37,7 +37,7 @@ Currently the project supports the following:
 
 Other notable features include:
 
-- Support for Python 3.6+
+- Support for Python 3.7+
 - Licensed under the 3-clause BSD license
 - Code generation utilities to get started quickly
 - Parsing/serializing a Python class model from/to XML so you can easily work

setup.cfg

@@ -29,7 +29,6 @@ classifiers =
     Programming Language :: Python
     Programming Language :: Python :: 3
     Programming Language :: Python :: 3 :: Only
-    Programming Language :: Python :: 3.6
     Programming Language :: Python :: 3.7
     Programming Language :: Python :: 3.8
     Programming Language :: Python :: 3.9
@@ -41,7 +40,7 @@ classifiers =
 zip_safe = false
 include_package_data = true
 packages = find:
-python_requires = >=3.6
+python_requires = >=3.7
 install_requires =
     httpx
     iso8601>=0.1.12

tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist = py36, py37, py38, py39
+envlist = py37, py38, py39
 
 [testenv]
 commands = pytest