3 from typing import Any, Iterator, Mapping, Text, Tuple, TypeVar
\r
8 PY2 = ... # type: bool
\r
9 def iteritems(d: Mapping[_K, _V]) -> Iterator[Tuple[_K, _V]]: ...
\r
10 if sys.version_info[0] >= 3:
\r
17 string_types = (str, unicode)
\r
18 unichr = __builtins__.unichr
\r
19 int_types = (int, long)
\r