fix windows

appveyor.yml

@@ -28,7 +28,7 @@ test_script:
   # Note that you must use the environment variable %PYTHON% to refer to
   # the interpreter you're using - Appveyor does not do anything special
   # to put the Python version you want to use on PATH.
-  - "%PYTHON%\\python.exe -m pytest"
+  - "%PYTHON%\\python.exe -m pytest --ignore-glob=docs"
 
 after_test:
   # This step builds your wheels.