Django should be capitalized in text
Merge pull request #1847 from Bouke/docs/django

Django should be capitalized in text
Fixed #21375 -- related_name='+' clashed with other '+' names
Fixed #21302 -- Fixed unused imports and import *.
Merge pull request #1848 from rayashmanjr/master

Correct flake8 violation E261
Fixed flake8 E241
Replaced a hardcoded "2" with the right named constant
Merge pull request #1849 from brabadu/master

Fixed flake8 E241
More attacking E302 violators
Fixed #14511 -- bug in .exclude() query
Fixed syntax error in queries/tests.py