'NoneType' object has no attribute 'isnull'
'NoneType' object has no attribute 'isnull'
0
- 1 vote279 views1 answer
- 12 votes266 views6 answers
- 2 votes267 views2 answers
- 6 votes249 views1 answer
- 1 vote249 views1 answer
- 1 vote275 views1 answer
- 0 vote271 views1 answer
- 1 vote251 views1 answer
- 12 votes258 views3 answers
- 4 votes277 views2 answers