message: importlib may not exist in python 3.7
diff: @@ -4,9 +4,9 @@ import pandas as pd
  from .connector_agent_python import read_pg
  from .connector_agent_python import read_sql as _read_sql
  -from importlib.metadata import version
  try:
  + from importlib.metadata import version
  __version__ = version(__name__)
  except:
  pass
  