Python is nonetype. Nonetype и int. nonetype приююитон. attributeerror: 'dataframe' object has no attribute 'append'. 'nonetype' object has no attribute 'create_line'.

Python is nonetype. Nonetype и int. nonetype приююитон. attributeerror: 'dataframe' object has no attribute 'append'. 'nonetype' object has no attribute 'create_line'.
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