message: Use list instead of numpy array
diff: @@ -2,7 +2,6 @@ import celery
  from datetime import datetime
  import json
  import logging
  -import numpy as np
  import pandas as pd
  import sqlalchemy
  import uuid
  @@ -142,9 +141,8 @@ def get_sql_results(self, query_id, return_results=True, store_results=False):
  column_names = (
  [col[0] for col in cursor.description] if cursor.description else [])
  column_names = dedup(column_names)
  - df_data = np.array(data) if data else []
  cdf = dataframe.SupersetDataFrame(pd.DataFrame(
  - df_data, columns=column_names))
  + list(data), columns=column_names))
  query.rows = cdf.size
  query.progress = 100
  