Fix flake8 lint errors

system/t09_repo/list.py

@@ -38,12 +38,14 @@ class ListRepo4Test(BaseTest):
     ]
     runCmd = "aptly repo list -raw"
 
+
 class ListRepo5Test(BaseTest):
     """
     list local repo: json no repos
     """
     runCmd = "aptly repo list -json"
 
+
 class ListRepo6Test(BaseTest):
     """
     list local repo: json normal

system/t12_api/snapshots.py

@@ -205,7 +205,7 @@ class SnapshotsAPITestCreateDelete(APITest):
                  "Architectures": ["i386"],
                  "Sources": [{"Name": snap2}],
                  "Signing": DefaultSigningOptions,
-             }
+            }
         )
         self.check_equal(resp.json()['State'], 2)