err = e
pending = (None, False)
- m = re.match(r'catch\s*(?P<err>\(\s*{_NAME_RE}\s*\))?\{{'.format(**globals()), expr)
+ m = re.match(fr'catch\s*(?P<err>\(\s*{_NAME_RE}\s*\))?\{{', expr)
if m:
sub_expr, expr = self._separate_at_paren(expr[m.end() - 1:])
if err: