sys:1: DtypeWarning: Columns (4,11) have mixed types.Specify dtype option on import or set low_memory=False. code example

Example: DtypeWarning: Columns (47) have mixed types.Specify dtype option on import or set low_memory=False

dashboard_df = pd.read_csv(p_file, sep=',', error_bad_lines=False, index_col=False, dtype='unicode')