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
21894	Error in example code in django.forms.Form.clean()¶	richard.kellner@…	nobody	"In Documentation version: development explanation of Cleaning and validating fields (https://docs.djangoproject.com/en/dev/ref/forms/validation/#cleaning-and-validating-fields-that-depend-on-each-other) that depend on each other there is and error. Code in the sample would thow an exeptoion: TypeError: argument of type 'NoneType' is not iterable because function does not return anything back. Documentation in 1.6 is correct and does not have this error. To resolve add return statement at the end of both function in example:

{{{
# Always return the full collection of cleaned data.
return cleaned_data
}}}"	Bug	closed	Documentation	dev	Normal	fixed			Accepted	1	0	0	0	0	0