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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 release(self, tid, fh):
 """ Close file. Descriptor is removed from ``self.fds``. Parameters tid : str Path to file. Ignored. fh : int File descriptor to release. """


        try:
            try:
                self.fds[fh].unregisterHandler(fh)

            except AttributeError:
                pass

            del self.fds[fh]

        except KeyError:
            raise FuseOSError(errno.EBADF)

        return 0