'NoneType' object has no attribute 'isnull'
'NoneType' object has no attribute 'isnull'
0
- 0 vote122 views1 answer
- 5 votes97 views6 answers
- 0 vote98 views1 answer
- 0 vote125 views1 answer
- 0 vote104 views1 answer
- 0 vote55 views2 answers
- 1 vote106 views1 answer
- -1 vote129 views2 answers
- 0 vote113 views1 answer
- 1 vote98 views1 answer