HG: *When this change indeed resolves your problem, please **Close** this issue*.

HG: *(You can do so usingthe WorkFlow pull-down (close to the top right of this page)*
HG: #######################################################################
HG: Enter commit message.  Lines beginning with 'HG:' are removed.
HG: Leave message empty to abort commit.
HG: #######################################################################
HG: user: Anthon van der Neut <anthon@mnt.org>
HG: branch 'default'
HG: changed .appveyor.yaml
HG: changed CHANGES
HG: changed README.rst
HG: changed __init__.py

1 files changed, 1 insertions, 1 deletions

diff --git a/setup.py b/setup.py
index 9266f8e..c0d00cf 100644
--- a/setup.py
+++ b/setup.py
@@ -768,7 +768,7 @@ class NameSpacePackager(object):
                 continue
             if sys.version_info[:2] == (3, 4) and platform.system() == 'Windows':
                 # this is giving problems on appveyor, so skip
-                if not 'FORCE_C_BUILD_TEST' in os.environ:
+                if 'FORCE_C_BUILD_TEST' not in os.environ:
                     self._ext_modules.append(ext)
                     continue
             # write a temporary .c file to compile