id	summary	reporter	owner	description	type	status	component	version	severity	resolution	keywords	cc	stage	has_patch	needs_docs	needs_tests	needs_better_patch	easy	ui_ux
32973	Pass generator expression to str.join() instead of list / tuple throughout code base	Chris Jerdonek	nobody	In many places throughout Django's code base, a list or tuple is passed to `str.join()` when a generator expression would suffice. For example, instead of `', '.join([self.quote_name(field.column) for field in fields])` one can do `', '.join(self.quote_name(field.column) for field in fields)`. This eliminates an unneeded list creation. Many (but not all) examples can be found by searching the code base for `.join([`.	Cleanup/optimization	closed	Core (Other)	dev	Normal	wontfix			Unreviewed	0	0	0	0	0	0