Fix AttributeError: 'DataFrame' object has no attribute 'append'
Pandas 2.0 removed DataFrame.append(). Replace it with pd.concat — and if you were appending in a loop, collect rows in a list and build the DataFrame once.
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Pandas 2.0 removed DataFrame.append(). Replace it with pd.concat — and if you were appending in a loop, collect rows in a list and build the DataFrame once.