problem in videoreader - <type 'exceptions.ImportError'>: dlopen(/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/lib-dynload/_Qt.so, 2): no suitable image found. Did find: /System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/lib-dynload/_Qt.so: mach-o, but wrong architecture