update import behaviour

cv2/__init__.py

 import sys
 import os
+import importlib
 
-# FFMPEG dll is not found on Windows without this
+# FFmpeg dll is not found on Windows without this
 os.environ["PATH"] += os.pathsep + os.path.dirname(os.path.realpath(__file__))
 
-from . import cv2
-sys.modules['cv2'] = cv2
+# make IDE's (PyCharm) autocompletion happy
+from .cv2 import *
+
+# wildcard import above does not import "private" variables like __version__
+# this makes them available
+globals().update(importlib.import_module('cv2.cv2').__dict__)
\ No newline at end of file