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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def actually_mount(self, client):
 """Actually mount something in Vault"""

        a_obj = self.config.copy()
        if 'description' in a_obj:
            del a_obj['description']

        try:
            m_fun = getattr(client, self.mount_fun)
            if self.description and a_obj:
                m_fun(self.backend,
                      mount_point=self.path,
                      description=self.description,
                      config=a_obj)
            elif self.description:
                m_fun(self.backend,
                      mount_point=self.path,
                      description=self.description)
            elif a_obj:
                m_fun(self.backend,
                      mount_point=self.path,
                      config=a_obj)
            else:
                m_fun(self.backend,
                      mount_point=self.path)
        except hvac.exceptions.InvalidRequest as exception:
            match = re.match('existing mount at (?P<path>.+)', str(exception))
            if match:
                e_msg = "%s has a mountpoint conflict with %s" % \
                        (self.path, match.group('path'))
                raise aomi_excep.VaultConstraint(e_msg)
            else:
                raise