diff --git a/python/google/protobuf/internal/text_format_test.py b/python/google/protobuf/internal/text_format_test.py
index a527e5bd67..fe1781be1e 100644
--- a/python/google/protobuf/internal/text_format_test.py
+++ b/python/google/protobuf/internal/text_format_test.py
@@ -2408,7 +2408,6 @@ class TokenizerTest(unittest.TestCase):
     with self.assertRaises(text_format.ParseError):
       text_format.Parse('NotGroupLikeScope { b:1 }', msg)
 
-
 # Tests for pretty printer functionality.
 @_parameterized.parameters((unittest_pb2), (unittest_proto3_arena_pb2))
 class PrettyPrinterTest(TextFormatBase):
diff --git a/python/google/protobuf/text_format.py b/python/google/protobuf/text_format.py
index 2244ccca3c..b12204ed25 100644
--- a/python/google/protobuf/text_format.py
+++ b/python/google/protobuf/text_format.py
@@ -1809,7 +1809,7 @@ def ParseFloat(text):
       try:
         return float(text.rstrip('f'))
       except ValueError:
-        raise ValueError('Couldn\'t parse float: %s' % text)
+        raise ValueError("Couldn't parse float: %s" % text)
 
 
 def ParseBool(text):