docs: def create_module(self, spec):
          """Improve python2 semantics for module creation."""
          mod = super(NamespaceLoader2, self).create_module(spec)
          # Set a few properties required by PEP 302
          # mod.__file__ = [p for p in self.path]
          # this will set mod.__repr__ to not builtin... shouldnt break anything in py2...
          # CAREFUL : get_filename present implies the module has ONE location, which is not true with namespaces
          return mod