1 files changed, 1 insertions, 1 deletions
diff --git a/tests/test_metrics.py b/tests/test_metrics.py
index 759e4cd048..f696fcf89e 100644
--- a/tests/test_metrics.py
+++ b/tests/test_metrics.py
@@ -21,7 +21,7 @@ from tests import unittest
 
 
 def get_sample_labels_value(sample):
-    """ Extract the labels and values of a sample.
+    """Extract the labels and values of a sample.
 
     prometheus_client 0.5 changed the sample type to a named tuple with more
     members than the plain tuple had in 0.4 and earlier. This function can