diff --git a/libs/langgraph/langgraph/pregel/__init__.py b/libs/langgraph/langgraph/pregel/__init__.py
index 2a369aa17..f9738d211 100644
--- a/libs/langgraph/langgraph/pregel/__init__.py
+++ b/libs/langgraph/langgraph/pregel/__init__.py
@@ -557,7 +557,7 @@ class Pregel(PregelProtocol):
             self.validate()
 
     def get_graph(
-        self, config: RunnableConfig | None = None, *, xray: int | bool = Fals
+        self, config: RunnableConfig | None = None, *, xray: int | bool = False
     ) -> Graph:
         """Returns a drawable representation of the computation graph."""
         # gather subgraphs
@@ -585,10 +585,7 @@ class Pregel(PregelProtocol):
         )
 
     async def aget_graph(
-        self,
-        config: RunnableConfig | None = None,
-        *,
-        xray: int | bool = False
+        self, config: RunnableConfig | None = None, *, xray: int | bool = False
     ) -> Graph:
         """Returns a drawable representation of the computation graph."""
 
diff --git a/libs/langgraph/langgraph/pregel/draw.py b/libs/langgraph/langgraph/pregel/draw.py
index 596935f79..a32aaeded 100644
--- a/libs/langgraph/langgraph/pregel/draw.py
+++ b/libs/langgraph/langgraph/pregel/draw.py
@@ -1,5 +1,6 @@
 from collections import defaultdict
-from typing import Any, Mapping, Optional, Sequence, Union, cast
+from collections.abc import Mapping, Sequence
+from typing import Any, Optional, Union, cast
 
 from langchain_core.runnables.config import RunnableConfig
 from langchain_core.runnables.graph import Graph, Node
diff --git a/libs/langgraph/langgraph/pregel/write.py b/libs/langgraph/langgraph/pregel/write.py
index ed8955474..98b6dd587 100644
--- a/libs/langgraph/langgraph/pregel/write.py
+++ b/libs/langgraph/langgraph/pregel/write.py
@@ -5,6 +5,7 @@ from typing import (
     Any,
     Callable,
     NamedTuple,
+    Optional,
     TypeVar,
     Union,
     cast,
diff --git a/libs/langgraph/tests/test_pregel.py b/libs/langgraph/tests/test_pregel.py
index b6333d0de..ce6474ca1 100644
--- a/libs/langgraph/tests/test_pregel.py
+++ b/libs/langgraph/tests/test_pregel.py
@@ -3090,6 +3090,7 @@ def test_in_one_fan_out_state_graph_waiting_edge_custom_state_class_pydantic_inp
         }
     }
 
+
 @pytest.mark.parametrize("checkpointer_name", ALL_CHECKPOINTERS_SYNC)
 def test_in_one_fan_out_state_graph_waiting_edge_plus_regular(
     request: pytest.FixtureRequest, checkpointer_name: str
diff --git a/libs/langgraph/tests/test_pydantic.py b/libs/langgraph/tests/test_pydantic.py
index ad94724b5..53e6fe4e7 100644
--- a/libs/langgraph/tests/test_pydantic.py
+++ b/libs/langgraph/tests/test_pydantic.py
@@ -6,7 +6,7 @@ import re
 import sys
 import uuid
 from enum import Enum
-from typing import Annotated, List, Literal, Optional, Union
+from typing import Annotated, Literal, Optional, Union
 
 import pytest
 
@@ -183,7 +183,7 @@ def test_nested_pydantic_models(version: str) -> None:
         validated_age: Annotated[int, Field(gt=0, lt=120)]
 
         # Generic containers with validators
-        decimal_list: List[decimal.Decimal]
+        decimal_list: list[decimal.Decimal]
         id_tuple: tuple[uuid.UUID, uuid.UUID]
 
     inputs = {