def rename(self, new_path, force=False):
        """Rename self to a new path

        :param new_path:
            Either a simple name or a full path, i.e. new_name or features/new_name.
            The prefix refs/ is implied for references and will be set as needed.
            In case this is a symbolic ref, there is no implied prefix

        :param force:
            If True, the rename will succeed even if a head with the target name
            already exists. It will be overwritten in that case

        :return: self
        :raise OSError: In case a file at path but a different contents already exists """
        new_path = self.to_full_path(new_path)
        if self.path == new_path:
            return self

        new_abs_path = join(self.repo.git_dir, new_path)
        cur_abs_path = join(self.repo.git_dir, self.path)
        if isfile(new_abs_path):
            if not force:
                # if they point to the same file, its not an error
                if open(new_abs_path, 'rb').read().strip() != open(cur_abs_path, 'rb').read().strip():
                    raise OSError(new_abs_path % "File at path %r already exists")
                # else: we could remove ourselves and use the otherone, but
                # but clarity we just continue as usual
            # END not force handling
            os.remove(new_abs_path)
        # END handle existing target file

        dname = dirname(new_abs_path)
        if not isdir(dname):
            os.makedirs(dname)
        # END create directory

        rename(cur_abs_path, new_abs_path)
        self.path = new_path

        return self
dataset/ETHPy150Open gitpython-developers/GitPython/git/refs/symbolic.py/SymbolicReference.rename/swapped operands of `%`