python - PyCharm bugging when trying to have multi-inheritance -

as try make multi-inheritance class, got pycharm freezing...

oh, gave me feed back:

i on mac book air, 8g of ram.

did had same experience ?

edit

the code :

from library.connect_to_people      import connect_to_people library.get_infos              import get_infos library.superdriver            import superdriver   class website(superdriver, get_infos, connect_to_people):      def __init__(self, username, password):         """         renvoie un objet avec un driver selenium.         """         assert(type(username) == str)         assert(type(password) == str)          superdriver.__init__(self)         get_infos.__init__(self)         connect_to_people.__init__(self)