Update to pyright v286

.pre-commit-config.yaml

@@ -26,7 +26,7 @@ repos:
         language: node
         pass_filenames: false
         types: [python]
-        additional_dependencies: ["[email protected].278"]
+        additional_dependencies: ["[email protected].286"]
     repo: local
   - hooks:
       - id: mypy

reactivex/operators/_distinct.py

@@ -32,9 +32,7 @@ def distinct_(
     key_mapper: Optional[typing.Mapper[_T, _TKey]] = None,
     comparer: Optional[typing.Comparer[_TKey]] = None,
 ) -> Callable[[Observable[_T]], Observable[_T]]:
-    comparer_: typing.Comparer[_TKey] = comparer or cast(
-        typing.Comparer[_TKey], default_comparer
-    )
+    comparer_ = comparer or cast(typing.Comparer[_TKey], default_comparer)
 
     def distinct(source: Observable[_T]) -> Observable[_T]:
         """Returns an observable sequence that contains only distinct

reactivex/operators/_timestamp.py

@@ -1,6 +1,6 @@
 from dataclasses import dataclass
 from datetime import datetime
-from typing import Any, Callable, Generic, Optional, TypeVar
+from typing import Callable, Generic, Optional, TypeVar
 
 from reactivex import Observable, abc, defer, operators
 from reactivex.scheduler import TimeoutScheduler
@@ -17,7 +17,7 @@ class Timestamp(Generic[_T]):
 def timestamp_(
     scheduler: Optional[abc.SchedulerBase] = None,
 ) -> Callable[[Observable[_T]], Observable[Timestamp[_T]]]:
-    def timestamp(source: Observable[Any]) -> Observable[Timestamp[_T]]:
+    def timestamp(source: Observable[_T]) -> Observable[Timestamp[_T]]:
         """Records the timestamp for each value in an observable sequence.
 
         Examples: