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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 pip_report(self):
 """ Show editable pip-requirements line necessary to clone this repository Yields: str: pip-requirements line necessary to clone this repository """

        comment = '#' if not self.remote_url else ''
        if os.path.exists(os.path.join(self.fpath, 'setup.py')):
            yield u"%s-e %s+%s@%s#egg=%s" % (
                comment,
                self.label,
                self.to_normal_url(self.remote_url),
                self.current_id,
                self.eggname)
        return