fix test_leak skip
diff --git a/setup.py b/setup.py
index 6cf59ef..cbc8905 100644
--- a/setup.py
+++ b/setup.py
@@ -127,7 +127,7 @@
         )
         run_setup(False)
         show_message(
-            'WARNING: The C extension could not be compiled,  speedups'
+            'WARNING: The C extension could not be compiled, speedups'
             ' are not enabled.',
             'Plain-Python build succeeded.'
         )