Fix setup.py formatting

setup.py

@@ -7,7 +7,7 @@ setup(
     version="0.1.0",
     author="LOGILAB S.A. (Paris, FRANCE)",
     author_email="contact@logilab.fr",
-    packages=find_packages(exclude=['test']),
+    packages=find_packages(exclude=["test"]),
     extra_require={
         # these dependencies can be installed using system packages
         "Pypi dependencies": ["mercurial", "hg-git"],