fix flake8 findings

Author: Helene

source/confParser.py

@@ -23,7 +23,7 @@
 import argparse
 import os
 import logging.handlers
-from messages import ERR, MSG
+from messages import MSG
 
 
 def findKeyFile(path):
@@ -33,6 +33,7 @@ def findKeyFile(path):
                 return name
     return None
 
+
 def findCertFile(path):
     for name in ["cert.pem", "tls.crt"]:
         for root, dirs, files in os.walk(path):

source/zimonGrafanaIntf.py

@@ -39,7 +39,6 @@
 from timeit import default_timer as timer
 
 
-
 class MetadataHandler():
 
     def __init__(self, logger, server, port=9084):