diff --git a/.appveyor.yml b/.appveyor.yml
index 56d7dd7ac..a0c948246 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -7,7 +7,7 @@ environment:
   matrix:
     - PYTHON: 27
       TEST_IGNORE: --ignore py35
-    - PYTHON: 37 
+    - PYTHON: 37
     - PYTHON: 37-x64
 
 install: