diff --git a/cognee/tasks/graph/exceptions/__init__.py b/cognee/tasks/graph/exceptions/__init__.py
index 3516ba151..d91bbbd36 100644
--- a/cognee/tasks/graph/exceptions/__init__.py
+++ b/cognee/tasks/graph/exceptions/__init__.py
@@ -8,5 +8,5 @@ from .exceptions import (
     InvalidDataChunksError,
     InvalidGraphModelError,
     InvalidOntologyAdapterError,
-    InvalidChunkGraphInputError
+    InvalidChunkGraphInputError,
 )
diff --git a/cognee/tasks/graph/exceptions/exceptions.py b/cognee/tasks/graph/exceptions/exceptions.py
index 0708bab31..c09ee1c08 100644
--- a/cognee/tasks/graph/exceptions/exceptions.py
+++ b/cognee/tasks/graph/exceptions/exceptions.py
@@ -13,6 +13,7 @@ class InvalidDataChunksError(CogneeValidationError):
             status_code=status.HTTP_400_BAD_REQUEST,
         )
 
+
 class InvalidGraphModelError(CogneeValidationError):
     def __init__(self, got):
         super().__init__(
@@ -21,12 +22,14 @@ class InvalidGraphModelError(CogneeValidationError):
             status_code=status.HTTP_400_BAD_REQUEST,
         )
 
+
 class InvalidOntologyAdapterError(CogneeConfigurationError):
     def __init__(self, got):
         super().__init__(
             message=f"ontology_adapter lacks required interface (got {got}).",
             name="InvalidOntologyAdapterError",
-            status_code=status.HTTP_500_INTERNAL_SERVER_ERROR)
+            status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
+        )
 
 
 class InvalidChunkGraphInputError(CogneeValidationError):
@@ -34,4 +37,5 @@ class InvalidChunkGraphInputError(CogneeValidationError):
         super().__init__(
             message=f"Invalid chunk inputs or LLM Chunkgraphs: {detail}",
             name="InvalidChunkGraphInputError",
-            status_code=status.HTTP_400_BAD_REQUEST)
\ No newline at end of file
+            status_code=status.HTTP_400_BAD_REQUEST,
+        )
diff --git a/cognee/tasks/graph/extract_graph_from_data.py b/cognee/tasks/graph/extract_graph_from_data.py
index 2ddd85075..019e9e4a1 100644
--- a/cognee/tasks/graph/extract_graph_from_data.py
+++ b/cognee/tasks/graph/extract_graph_from_data.py
@@ -19,6 +19,7 @@ from cognee.tasks.graph.exceptions import (
     InvalidOntologyAdapterError,
 )
 
+
 async def integrate_chunk_graphs(
     data_chunks: list[DocumentChunk],
     chunk_graphs: list,
@@ -30,11 +31,15 @@ async def integrate_chunk_graphs(
     if not isinstance(data_chunks, list) or not isinstance(chunk_graphs, list):
         raise InvalidChunkGraphInputError("data_chunks and chunk_graphs must be lists.")
     if len(data_chunks) != len(chunk_graphs):
-        raise InvalidChunkGraphInputError(f"length mismatch: {len(data_chunks)} chunks vs {len(chunk_graphs)} graphs.")
+        raise InvalidChunkGraphInputError(
+            f"length mismatch: {len(data_chunks)} chunks vs {len(chunk_graphs)} graphs."
+        )
     if not isinstance(graph_model, type) or not issubclass(graph_model, BaseModel):
         raise InvalidGraphModelError(graph_model)
     if ontology_adapter is None or not hasattr(ontology_adapter, "get_subgraph"):
-        raise InvalidOntologyAdapterError(type(ontology_adapter).__name__ if ontology_adapter else "None")
+        raise InvalidOntologyAdapterError(
+            type(ontology_adapter).__name__ if ontology_adapter else "None"
+        )
 
     graph_engine = await get_graph_engine()
 
diff --git a/cognee/tasks/storage/add_data_points.py b/cognee/tasks/storage/add_data_points.py
index 41bda954f..6cdc90ac9 100644
--- a/cognee/tasks/storage/add_data_points.py
+++ b/cognee/tasks/storage/add_data_points.py
@@ -11,7 +11,6 @@ from cognee.tasks.storage.exceptions import (
 
 
 async def add_data_points(data_points: List[DataPoint]) -> List[DataPoint]:
-
     if not isinstance(data_points, list):
         raise InvalidDataPointsInAddDataPointsError("data_points must be a list.")
     if not all(isinstance(dp, DataPoint) for dp in data_points):
diff --git a/cognee/tasks/storage/exceptions/exceptions.py b/cognee/tasks/storage/exceptions/exceptions.py
index 2da6a84aa..9b2de9efd 100644
--- a/cognee/tasks/storage/exceptions/exceptions.py
+++ b/cognee/tasks/storage/exceptions/exceptions.py
@@ -9,5 +9,5 @@ class InvalidDataPointsInAddDataPointsError(CogneeValidationError):
         super().__init__(
             message=f"Invalid data_points: {detail}",
             name="InvalidDataPointsInAddDataPointsError",
-            status_code=status.HTTP_400_BAD_REQUEST)
-
+            status_code=status.HTTP_400_BAD_REQUEST,
+        )
diff --git a/cognee/tasks/summarization/exceptions/exceptions.py b/cognee/tasks/summarization/exceptions/exceptions.py
index d0c9cfec6..9e8e7197e 100644
--- a/cognee/tasks/summarization/exceptions/exceptions.py
+++ b/cognee/tasks/summarization/exceptions/exceptions.py
@@ -10,4 +10,5 @@ class InvalidSummaryInputsError(CogneeValidationError):
         super().__init__(
             message=f"Invalid summarize_text inputs: {detail}",
             name="InvalidSummaryInputsError",
-            status_code=status.HTTP_400_BAD_REQUEST)
\ No newline at end of file
+            status_code=status.HTTP_400_BAD_REQUEST,
+        )
diff --git a/cognee/tasks/summarization/summarize_text.py b/cognee/tasks/summarization/summarize_text.py
index b482b5b4a..f6dcc54a2 100644
--- a/cognee/tasks/summarization/summarize_text.py
+++ b/cognee/tasks/summarization/summarize_text.py
@@ -42,7 +42,6 @@ async def summarize_text(
     if not all(hasattr(c, "text") for c in data_chunks):
         raise InvalidSummaryInputsError("each DocumentChunk must have a 'text' attribute.")
 
-
     if len(data_chunks) == 0:
         return data_chunks