if program_name:
    self._connect_attrs["program_name"] = program_name
elif sys.argv:
    self._connect_attrs["program_name"] = sys.argv[0]

module 'sys' has no attribute 'argv'.
File "/....py", line 37, in mysqlConnect
File "/usr/local/lib/python3.6/site-packages/pymysql/__init__.py", line 94, in Connect
  return Connection(*args, **kwargs)
File "/usr/local/lib/python3.6/site-packages/pymysql/connections.py", line 321, in __init__
  elif sys.argv:

import pymysql

# For pymysql bug
import sys
import os
sys.argv=[os.path.realpath(__file__)]
...

elif sys.argv:

elif callable(getattr(sys, 'argv')) and sys.argv:
    ...
else:
    ... Canot get the application name exception or set a application name by default.