update ruamel.yaml types

Author: mr-c

typeshed/2.7/ruamel/yaml/main.pyi

@@ -2,7 +2,19 @@
 #
 # NOTE: This dynamically typed stub was automatically generated by stubgen.
 
-from typing import Any
+from typing import Any, AnyStr, BinaryIO, IO, List, Tuple, Union
 from ruamel.yaml.loader import *
 
-def load(stream, Loader: Any =..., version=None) -> Any: ...
+VersionType = Union[List[int], str, Tuple[int, int]] 
+StreamType = Union[BinaryIO, IO[str]]
+
+def load(stream: StreamType,
+         Loader: Any =...,
+         version: VersionType = None) -> Any: ...
+
+def round_trip_load(stream: StreamType,
+                    version: VersionType = None) -> Any: ...
+
+def dump(data: Any) -> Any: ...
+
+def round_trip_dump(data: Any) -> Any: ...