Removed labels of Python 2 in cachalot doc

* Removed a lot of type casting

cachalot/api.py

@@ -35,7 +35,7 @@ def _get_tables(tables_or_models):
                else table_or_model._meta.db_table)
 
 
-def invalidate(tables_or_models, cache_alias: str = None, db_alias: str = None) -> None:
+def invalidate(tables_or_models=None, cache_alias=None, db_alias=None):
     """
     Clears what was cached by django-cachalot implying one or more SQL tables
     or models from ``tables_or_models``.
@@ -71,7 +71,7 @@ def invalidate(tables_or_models, cache_alias: str = None, db_alias: str = None)
             post_invalidation.send(table, db_alias=db_alias)
 
 
-def get_last_invalidation(tables_or_models, cache_alias: str = None, db_alias: str = None) -> float:
+def get_last_invalidation(tables_or_models=None, cache_alias=None, db_alias=None):
     """
     Returns the timestamp of the most recent invalidation of the given
     ``tables_or_models``.  If ``tables_or_models`` is not specified,
@@ -91,7 +91,7 @@ def get_last_invalidation(tables_or_models, cache_alias: str = None, db_alias: s
     :returns: The timestamp of the most recent invalidation
     :rtype: float
     """
-    last_invalidation: float = 0.0
+    last_invalidation = 0.0
     for cache_alias, db_alias, tables in _cache_db_tables_iterator(
             list(_get_tables(tables_or_models)), cache_alias, db_alias):
         get_table_cache_key = cachalot_settings.CACHALOT_TABLE_KEYGEN

docs/quickstart.rst

@@ -4,15 +4,15 @@ Quick start
 Requirements
 ............
 
-- Django 1.11, 2.0-2.2, or 3.0
-- Python 2.7, 3.4-3.8
+- Django 2.0-2.2, or 3.0
+- Python 3.5-3.8
 - a cache configured as ``'default'`` with one of these backends:
 
   - `django-redis <https://github.com/niwinz/django-redis>`_
-  - `memcached <https://docs.djangoproject.com/en/2.0/topics/cache/#memcached>`_
+  - `memcached <https://docs.djangoproject.com/en/dev/topics/cache/#memcached>`_
     (using either python-memcached or pylibmc)
-  - `filebased <https://docs.djangoproject.com/en/2.0/topics/cache/#filesystem-caching>`_
-  - `locmem <https://docs.djangoproject.com/en/2.0/topics/cache/#local-memory-caching>`_
+  - `filebased <https://docs.djangoproject.com/en/dev/topics/cache/#filesystem-caching>`_
+  - `locmem <https://docs.djangoproject.com/en/dev/topics/cache/#local-memory-caching>`_
     (but it’s not shared between processes, see :ref:`locmem limits <Locmem>`)
 
 - one of these databases:

setup.py

@@ -26,16 +26,15 @@
         'Intended Audience :: Developers',
         'License :: OSI Approved :: BSD License',
         'Operating System :: OS Independent',
-        'Framework :: Django :: 1.11',
         'Framework :: Django :: 2.0',
         'Framework :: Django :: 2.1',
-        'Programming Language :: Python :: 2',
-        'Programming Language :: Python :: 2.7',
+        'Framework :: Django :: 2.2',
+        'Framework :: Django :: 3.0',
         'Programming Language :: Python :: 3',
-        'Programming Language :: Python :: 3.4',
         'Programming Language :: Python :: 3.5',
         'Programming Language :: Python :: 3.6',
         'Programming Language :: Python :: 3.7',
+        'Programming Language :: Python :: 3.8',
         'Topic :: Internet :: WWW/HTTP',
     ],
     license='BSD',