<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def make_declarative_base(self, metadata=None):
 """Override parent function with alchy's"""

        return make_declarative_base(self.session,
                                     Model=self.Model,
                                     metadata=metadata)