Fix lint errors.

Author: devdanzin

tests/integration/test_repos_branch.py

@@ -45,9 +45,10 @@ def test_sync_with_upstream(self):
             branch = repository.branch("main")
             result = branch.sync_with_upstream()
 
-        assert (
-            result["message"]
-            == "Successfully fetched and fast-forwarded from upstream python:main."
+        msg = (
+            "Successfully fetched and fast-forwarded"
+            "from upstream python:main."
         )
+        assert result["message"] == msg
         assert result["merge_type"] == "fast-forward"
         assert result["base_branch"] == "python:main"

tests/unit/test_repos_branch.py

@@ -55,7 +55,7 @@ class TestBranchRequiresAuth(helper.UnitRequiresAuthenticationHelper):
     example_data = get_example_data()
 
     def test_sync_with_upstream(self):
-        """Verify that syncing a branch with upstream requires authentication."""
+        """Verify that branch syncing with upstream requires authentication."""
         self.assert_requires_auth(self.instance.sync_with_upstream)
 
     def test_protect(self):