  
  mysqlclient
  ~~~~~~~~~~~
  
  Django requires `mysqlclient`_ 1.3.7 or later.
  
  MySQL Connector/Python
  ~~~~~~~~~~~~~~~~~~~~~~
  
  MySQL Connector/Python is available from the `download page`_.
 
</s> remove if version < (1, 3, 7):
    raise ImproperlyConfigured('mysqlclient 1.3.7 or newer is required; you have %s.' % Database.__version__)
 </s> add if version < (1, 3, 13):
    raise ImproperlyConfigured('mysqlclient 1.3.13 or newer is required; you have %s.' % Database.__version__)
Django requires `mysqlclient`_ 1.3.13 or later.
  
  mysqlclient
  ~~~~~~~~~~~
  
Django requires `mysqlclient`_ 1.3.13 or later.
  
  MySQL Connector/Python
  ~~~~~~~~~~~~~~~~~~~~~~
  
  MySQL Connector/Python is available from the `download page`_.
keep keep keep keep replace keep keep keep keep keep
 Bumped mysqlclient requirement to >= 1.3.13.

There are test failures with older versions. 
docs/ref/databases.txt