Fix

libs/langgraph/langgraph/channels/base.py

@@ -33,11 +33,6 @@ class BaseChannel(Generic[Value, Update, C], ABC):
 
     # serialize/deserialize methods
 
-    def tap(self) -> Optional[C]:
-        """Return the current checkpoint of the channel, without consuming it.
-        By default, it just calls checkpoint()."""
-        return self.checkpoint()
-
     @abstractmethod
     def checkpoint(self) -> Optional[C]:
         """Return a serializable representation of the channel's current state.

libs/langgraph/langgraph/managed/scoped_value.py

@@ -18,7 +18,6 @@ from langgraph.managed.base import (
     ConfiguredManagedValue,
     WritableManagedValue,
 )
-from langgraph.pregel.types import PregelTaskDescription
 
 V = dict[str, Any]
 
@@ -66,7 +65,7 @@ class ScopedValue(WritableManagedValue[Value, Update]):
                 f"Scope {scope} for shared state key not in config.configurable"
             )
 
-    def __call__(self, step: int, task: PregelTaskDescription) -> Value:
+    def __call__(self, step: int) -> Value:
         return self.value.copy()
 
     def _process_update(