<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def targets(self, module):
 """Find the targets for a given module. Returns: list: A sequence of all of the targets for the specified module. """


        if module not in self.module_targets:
            raise BuildError("Could not find module in targets()", module=module)

        return [self.find(x, module) for x in self.module_targets[module]]