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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 run(self):
 """Run parent install, and then save the man file."""

        install.run(self)

        # man directory
        if self._custom_man_dir is not None:
            if not os.path.exists(self._custom_man_dir):
                os.makedirs(self._custom_man_dir)
            shutil.copy("man/fades.1", self._custom_man_dir)