diff --git a/inventory_provider/db/opsdb.py b/inventory_provider/db/opsdb.py
index a32e0c3887feed9aeb61ca92c7f0bd7c49a67262..74561174fde1f258fa6561d513ae26c9b34777e2 100644
--- a/inventory_provider/db/opsdb.py
+++ b/inventory_provider/db/opsdb.py
@@ -55,7 +55,7 @@ def _juniper_field_update(record):
         return ''
 
     def _empty(s):
-        return s is None  or s == ''
+        return s is None or s == ''
 
     for end in ['', 'other_end_']:
         if not record[end + "interface_name"]:
diff --git a/inventory_provider/tasks/worker.py b/inventory_provider/tasks/worker.py
index 75e19a511fd62b3847063e4bd0de5d5c238e4aa1..dcf1c2a8f8b9bacd9c5d3d11a64da1ec2d7a28de 100644
--- a/inventory_provider/tasks/worker.py
+++ b/inventory_provider/tasks/worker.py
@@ -1,7 +1,6 @@
 import json
 import logging
 import os
-import re
 import time
 
 from celery import Task, states
diff --git a/test/test_opsdb_queries.py b/test/test_opsdb_queries.py
index e9a049290ba7afe99223810af23997e920024744..daba68fdad1b0dde7475ddd6940334ac76654e74 100644
--- a/test/test_opsdb_queries.py
+++ b/test/test_opsdb_queries.py
@@ -351,7 +351,7 @@ CIRCUIT_INFO_SCHEMA = {
     "additionalProperties": False
 }
 
+
 def test_get_circuits(connection, cached_test_data):
-    import re
     for circuit in opsdb.get_circuits(connection):
         jsonschema.validate(circuit, CIRCUIT_INFO_SCHEMA)