Specify required python versions (#6366)

CHANGELOG.txt

@@ -10,6 +10,7 @@ Changelog
  * Add `hooks.register_temporarily` utility function for testing hooks (Karl Hobley. Sponsored by the Mozilla Foundation)
  * Remove unidecode and use anyascii in for Unicode to ASCII conversion (Robbie Mackay)
  * Add `render` helper to `RoutablePageMixin` to support serving template responses according to Wagtail conventions (Andy Babic)
+ * Specify minimum Python version in setup.py (Vince Salvino)
  * Fix: Make page-level actions accessible to keyboard users in page listing tables (Jesse Menn)
  * Fix: `WAGTAILFRONTENDCACHE_LANGUAGES` was being interpreted incorrectly. It now accepts a list of strings, as documented (Karl Hobley)
  * Fix: Update oEmbed endpoints to use https where available (Matt Westcott)

CONTRIBUTORS.rst

@@ -475,6 +475,7 @@ Contributors
 * Jesse Menn
 * Robbie Mackay
 * Vyacheslav Matyukhin
+* Vince Salvino
 
 Translators
 ===========

docs/releases/2.11.rst

@@ -19,6 +19,7 @@ Other features
  * Add ``hooks.register_temporarily`` utility function for testing hooks (Karl Hobley. Sponsored by the Mozilla Foundation)
  * Remove unidecode and use anyascii in for Unicode to ASCII conversion (Robbie Mackay)
  * Add ``render`` helper to ``RoutablePageMixin`` to support serving template responses according to Wagtail conventions (Andy Babic)
+ * Specify minimum Python version in setup.py (Vince Salvino)
 
 
 Bug fixes

setup.py

@@ -115,6 +115,7 @@ https://github.com/wagtail/wagtail/.",
         'Framework :: Wagtail',
         'Topic :: Internet :: WWW/HTTP :: Site Management',
     ],
+    python_requires='>=3.6',
     install_requires=install_requires,
     extras_require={
         'testing': testing_extras,