flake8 fix

Author: colourmeamused

tests/test_stack.py

@@ -1,6 +1,5 @@
 import datetime
 import logging
-import sys
 from pathlib import Path
 
 import boto3
@@ -50,7 +49,6 @@
 TEST_FC_ID = "4d243358-152e-404c-bb65-7ea64b21ca38"
 
 
-
 @pytest.fixture()
 def conflux_table():
     return pd.DataFrame(