Restore 0.1.5 version from stash

wolai-backend/.venv312/Lib/site-packages/pypinyin/contrib/tone_sandhi.pyi

@@ -0,0 +1,21 @@
+from typing import Any
+from typing import List
+from typing import Union
+from typing import Callable
+from typing import Optional
+from typing import Text
+
+from pypinyin.constants import Style
+
+
+TStyle = Style
+TErrors = Union[Callable[[Text], Text], Text]
+TPinyinResult = List[List[Text]]
+TErrorResult = Union[Text, List[Text], None]
+TNoPinyinResult = Union[TPinyinResult, List[Text], Text, None]
+
+class ToneSandhiMixin(object):
+
+    def post_pinyin(self, han: Text, heteronym: bool,
+                    pinyin: TPinyinResult,
+                    **kwargs: Any) -> Union[TPinyinResult, None]: ...