diff --git a/biggraphite/drivers/tracing.py b/biggraphite/drivers/tracing.py
index cc3742a56e..476381410b 100644
--- a/biggraphite/drivers/tracing.py
+++ b/biggraphite/drivers/tracing.py
@@ -12,7 +12,7 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-"""Function used for the tracing of Biggraphite"""
+"""Function used for the tracing of Biggraphite."""
 
 try:
     from opencensus.trace import execution_context
diff --git a/setup.py b/setup.py
index f176d24020..507be75b82 100755
--- a/setup.py
+++ b/setup.py
@@ -41,7 +41,7 @@ def _read_reqs(relpath):
 
 
 if not PY3:
-  _INSTALL_REQUIRES += ('futures', 'enum34')
+    _INSTALL_REQUIRES += ('futures', 'enum34')
 
 
 packages = setuptools.find_packages()
diff --git a/tests/drivers/test_tracing.py b/tests/drivers/test_tracing.py
index 81cfedc2f7..c515fd591f 100644
--- a/tests/drivers/test_tracing.py
+++ b/tests/drivers/test_tracing.py
@@ -24,9 +24,10 @@
 
 
 class TestTracingTrace(unittest.TestCase):
+    """Test tracing integration of Biggraphite."""
+
     def testDecoratorTrace(self):
-        """Test that we wrap correctly the function and that a span
-        is created."""
+        """Test that we wrap correctly the function and that a span is created."""
         test_tracer = tracer.Tracer()
 
         def test_traced_func(self):
@@ -39,14 +40,14 @@ def test_traced_func(self):
         wrapped = tracing.trace(test_traced_func)
 
         mock_self = mock.Mock()
-        mock_self.module_name = 'module_name'
+        mock_self.module_name = "module_name"
 
         span_name = wrapped(mock_self)
 
-        expected_name = 'module_name.test_traced_func'
+        expected_name = "module_name.test_traced_func"
 
         self.assertEqual(expected_name, span_name)
 
 
 if __name__ == "__main__":
-    unittest.main()
\ No newline at end of file
+    unittest.main()