diff --git a/libs/langgraph/langgraph/managed/base.py b/libs/langgraph/langgraph/managed/base.py
index 41a009908..38f0f755a 100644
--- a/libs/langgraph/langgraph/managed/base.py
+++ b/libs/langgraph/langgraph/managed/base.py
@@ -30,4 +30,3 @@ def is_managed_value(value: Any) -> TypeGuard[ManagedValueSpec]:
 
 
 ManagedValueMapping = dict[str, ManagedValueSpec]
-
diff --git a/libs/langgraph/langgraph/managed/is_last_step.py b/libs/langgraph/langgraph/managed/is_last_step.py
index 427361351..a5bf1598b 100644
--- a/libs/langgraph/langgraph/managed/is_last_step.py
+++ b/libs/langgraph/langgraph/managed/is_last_step.py
@@ -22,4 +22,3 @@ class RemainingStepsManager(ManagedValue[int]):
 
 
 RemainingSteps = Annotated[int, RemainingStepsManager]
-
diff --git a/libs/langgraph/langgraph/pregel/_algo.py b/libs/langgraph/langgraph/pregel/_algo.py
index 66000ed8f..e8cb077da 100644
--- a/libs/langgraph/langgraph/pregel/_algo.py
+++ b/libs/langgraph/langgraph/pregel/_algo.py
@@ -69,7 +69,6 @@ from langgraph.pregel._call import get_runnable_for_task, identifier
 from langgraph.pregel._io import read_channels
 from langgraph.pregel._log import logger
 from langgraph.pregel._read import INPUT_CACHE_KEY_TYPE, PregelNode
-from langgraph.types import PregelScratchpad
 from langgraph.runtime import DEFAULT_RUNTIME, Runtime
 from langgraph.store.base import BaseStore
 from langgraph.types import (
@@ -77,6 +76,7 @@ from langgraph.types import (
     CacheKey,
     CachePolicy,
     PregelExecutableTask,
+    PregelScratchpad,
     PregelTask,
     RetryPolicy,
     Send,
@@ -1105,4 +1105,3 @@ class LazyAtomicCounter:
                 if self._counter is None:
                     self._counter = itertools.count(0).__next__
         return self._counter()
-
diff --git a/libs/langgraph/langgraph/pregel/_loop.py b/libs/langgraph/langgraph/pregel/_loop.py
index ccfdbb7b7..d7fd553d5 100644
--- a/libs/langgraph/langgraph/pregel/_loop.py
+++ b/libs/langgraph/langgraph/pregel/_loop.py
@@ -100,7 +100,6 @@ from langgraph.pregel._io import (
     read_channels,
 )
 from langgraph.pregel._read import PregelNode
-from langgraph.types import PregelScratchpad
 from langgraph.pregel._utils import get_new_channel_versions, is_xxh3_128_hexdigest
 from langgraph.pregel.debug import (
     map_debug_checkpoint,
@@ -115,6 +114,7 @@ from langgraph.types import (
     Command,
     Durability,
     PregelExecutableTask,
+    PregelScratchpad,
     RetryPolicy,
     StreamMode,
 )
@@ -1233,4 +1233,3 @@ class AsyncPregelLoop(PregelLoop, AbstractAsyncContextManager):
             # consumer to await it before e.g., reusing the DB connection.
             e.args = (*e.args, exit_task)
             raise
-
diff --git a/libs/langgraph/langgraph/pregel/_runner.py b/libs/langgraph/langgraph/pregel/_runner.py
index 25935250c..5c4dd98a1 100644
--- a/libs/langgraph/langgraph/pregel/_runner.py
+++ b/libs/langgraph/langgraph/pregel/_runner.py
@@ -36,10 +36,10 @@ from langgraph.errors import GraphBubbleUp, GraphInterrupt
 from langgraph.pregel._algo import Call
 from langgraph.pregel._executor import Submit
 from langgraph.pregel._retry import arun_with_retry, run_with_retry
-from langgraph.types import PregelScratchpad
 from langgraph.types import (
     CachePolicy,
     PregelExecutableTask,
+    PregelScratchpad,
     RetryPolicy,
 )
 
@@ -758,4 +758,3 @@ async def _acall_impl(
             destination.set_exception(RuntimeError("Task not scheduled"))
     except Exception as exc:
         destination.set_exception(exc)
-
diff --git a/libs/langgraph/langgraph/types.py b/libs/langgraph/langgraph/types.py
index 6f23645ef..0f6618916 100644
--- a/libs/langgraph/langgraph/types.py
+++ b/libs/langgraph/langgraph/types.py
@@ -538,6 +538,3 @@ def interrupt(value: Any) -> Any:
             ),
         )
     )
-
-
-