Python is nonetype. Django class meta что это. attribute error python. attributeerror: 'wsgirequest' object has no attribute 'is_ajax'. attributeerror: 'nonetype' object has no attribute 'lowvram'.

Python is nonetype. Django class meta что это. attribute error python. attributeerror: 'wsgirequest' object has no attribute 'is_ajax'. attributeerror: 'nonetype' object has no attribute 'lowvram'.