diff --git a/stix2/test/test_granular_markings.py b/stix2/test/test_granular_markings.py
index 50fc27d..2f0524b 100644
--- a/stix2/test/test_granular_markings.py
+++ b/stix2/test/test_granular_markings.py
@@ -1,7 +1,7 @@
 
 import pytest
 
-from stix2 import Malware, exceptions, markings
+from stix2 import Malware, markings
 
 from .constants import FAKE_TIME, MALWARE_ID, MARKING_IDS
 from .constants import MALWARE_KWARGS as MALWARE_KWARGS_CONST
diff --git a/stix2/test/test_markings.py b/stix2/test/test_markings.py
index 726cd98..63aecc3 100644
--- a/stix2/test/test_markings.py
+++ b/stix2/test/test_markings.py
@@ -155,8 +155,8 @@ def test_campaign_with_granular_markings_example():
                 marking_ref="marking-definition--613f2e26-407d-48c7-9eca-b8e91df99dc9",
                 selectors=["description"])
             ])
-    print (markings.get_markings(campaign, None))
-    print (markings.add_markings(campaign, None, "marking-definition--00000000-0000-0000-0000-000000000000"))
+    print(markings.get_markings(campaign, None))
+    print(markings.add_markings(campaign, None, "marking-definition--00000000-0000-0000-0000-000000000000"))
     assert str(campaign) == EXPECTED_CAMPAIGN_WITH_GRANULAR_MARKINGS
 
 
diff --git a/stix2/test/test_object_markings.py b/stix2/test/test_object_markings.py
index 04c1b97..25792a7 100644
--- a/stix2/test/test_object_markings.py
+++ b/stix2/test/test_object_markings.py
@@ -23,7 +23,7 @@ def test_add_markings_one_marking():
 
     after = Malware(
         object_marking_refs=[MARKING_IDS[0]],
-        **MALWARE_KWARGS,
+        **MALWARE_KWARGS
     )
 
     before = markings.add_markings(before, None, MARKING_IDS[0])
@@ -39,7 +39,7 @@ def test_add_markings_multiple_marking():
 
     after = Malware(
         object_marking_refs=[MARKING_IDS[0], MARKING_IDS[1]],
-        **MALWARE_KWARGS,
+        **MALWARE_KWARGS
     )
 
     before = markings.add_markings(before, None, [MARKING_IDS[0], MARKING_IDS[1]])
@@ -62,7 +62,7 @@ def test_add_markings_combination():
             {
                 "selectors": ["name"],
                 "marking_ref": MARKING_IDS[3]
-            },
+            }
         ],
         **MALWARE_KWARGS
     )