Daca vreti sa ramana si "Rotate Camera" ,
Adaugati :
onPressKeyDict[app.DIK_E] = lambda : self.__PressEKey()
in loc de cel cu : self.click_use_item() , iar undeva mai jos in functii similare adaugati :

def __PressEKey(self):
if app.IsPressed(app.DIK_LCONTROL) or app.IsPressed(app.DIK_RCONTROL ...