Python: Migrate to use "implicit namespace packages" (PEP 420)

Author: amotl

setup.py

@@ -28,7 +28,6 @@ def read(filename):
     },
     package_dir={'': 'src'},
     packages=['crate.qa'],
-    namespace_packages=['crate'],
     install_requires=[
         'crate',
         'cr8>=0.25.0',