Fix lint error

Author: rzhao271

gyp/pylib/gyp/xcodeproj_file.py

@@ -2769,7 +2769,7 @@ def __init__(self, properties=None, id=None, parent=None, path=None):
         self.path = path
         self._other_pbxprojects = {}
         # super
-        return XCContainerPortal.__init__(self, properties, id, parent)
+        XCContainerPortal.__init__(self, properties, id, parent)
 
     def Name(self):
         name = self.path