Question

Which of the possible causes listed below is the most likely reason for the error message...

Which of the possible causes listed below is the most likely reason for the error message shown?

df_california = df_business.filter("state == 'CA'")

+ AttributeError: 'NoneType object has no attribute 'filter

Engineering   Computer-Science   
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Answer #1

here df_business object is return Nothing which is NoneType so based on the reseason it will not works

so if we want write like this it will works

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