df = pd.DataFrame(df, columns=['DATA_TYPE', 'POLICY_ID',
'POLICY_BEGIN_MONTH','POLICY_END_MONTH','POLICY_IS_RENEWED',
'POLICY_SALES_CHANNEL',
'POLICY_SALES_CHANNEL_GROUP','POLICY_BRANCH',
'POLICY_MIN_AGE','POLICY_MIN_DRIVING_EXPERIENCE',
'VEHICLE_MAKE','VEHICLE_MODEL',
'VEHICLE_ENGINE_POWER',
'VEHICLE_IN_CREDIT',
'VEHICLE_SUM_INSURED',
'POLICY_INTERMEDIARY',
'INSURER_GENDER',
'POLICY_CLM_N',
'POLICY_CLM_GLT_N',
'POLICY_PRV_CLM_N',
'POLICY_PRV_CLM_GLT_N',
'CLIENT_HAS_DAGO',
'CLIENT_HAS_OSAGO',
'POLICY_COURT_SIGN',
'CLAIM_AVG_ACC_ST_PRD',
'POLICY_HAS_COMPLAINTS',
'POLICY_YEARS_RENEWED_N',
'POLICY_DEDUCT_VALUE',
'CLIENT_REGISTRATION_REGION',
'POLICY_PRICE_CHANGE'])
этот вариант тоже не помог