yaml.cyaml: Switch Optional to new pipe-based union (#5971)

taralx · web-flow · commit 3dbaf34bd5da · 2021-08-27T19:21:44.000+02:00
diff --git a/stubs/PyYAML/yaml/cyaml.pyi b/stubs/PyYAML/yaml/cyaml.pyi
@@ -1,5 +1,5 @@
 from _typeshed import SupportsRead
-from typing import IO, Any, Mapping, Optional, Sequence, Text, Union
+from typing import IO, Any, Mapping, Sequence, Text, Union
 
 from yaml.constructor import BaseConstructor, Constructor, SafeConstructor
 from yaml.events import Event
@@ -14,15 +14,15 @@ _Readable = SupportsRead[Union[Text, bytes]]
 class CParser:
     def __init__(self, stream: str | bytes | _Readable) -> None: ...
     def dispose(self) -> None: ...
-    def get_token(self) -> Optional[Token]: ...
-    def peek_token(self) -> Optional[Token]: ...
+    def get_token(self) -> Token | None: ...
+    def peek_token(self) -> Token | None: ...
     def check_token(self, *choices) -> bool: ...
-    def get_event(self) -> Optional[Event]: ...
-    def peek_event(self) -> Optional[Event]: ...
+    def get_event(self) -> Event | None: ...
+    def peek_event(self) -> Event | None: ...
     def check_event(self, *choices) -> bool: ...
     def check_node(self) -> bool: ...
-    def get_node(self) -> Optional[Node]: ...
-    def get_single_node(self) -> Optional[Node]: ...
+    def get_node(self) -> Node | None: ...
+    def get_single_node(self) -> Node | None: ...
 
 class CBaseLoader(CParser, BaseConstructor, BaseResolver):
     def __init__(self, stream: str | bytes | _Readable) -> None: ...
