fix flake8

Related: https://pagure.io/koji/issue/3790

kojihub/db.py

@@ -349,7 +349,7 @@ def db_lock(name, wait=True):
         # in the no-wait case, this could mean either that the row is already locked, or that
         # the lock does not exist, so we check
         query = "SELECT name FROM locks WHERE name=%(name)s"
-        rows =_fetchMulti(query, data)
+        rows = _fetchMulti(query, data)
         if rows:
             # the lock exists, but we did not acquire it
             return False

plugins/hub/protonmsg.py

@@ -9,7 +9,6 @@ import json
 import logging
 import random
 
-import psycopg2
 from proton import Message, SSLDomain
 from proton.handlers import MessagingHandler
 from proton.reactor import Container