notebook fmt (#12498)

templates/neo4j-parent/main.py

@@ -1,5 +1,5 @@
 from neo4j_parent.chain import chain
 
 if __name__ == "__main__":
-	original_query = "What is the plot of the Dune?"
-	print(chain.invoke(original_query))
+    original_query = "What is the plot of the Dune?"
+    print(chain.invoke(original_query))

templates/neo4j-parent/neo4j_parent/chain.py

@@ -16,8 +16,7 @@ vectorstore = Neo4jVector.from_existing_index(
     index_name="retrieval",
     node_label="Child",
     embedding_node_property="embedding",
-    retrieval_query=retrieval_query
-
+    retrieval_query=retrieval_query,
 )
 retriever = vectorstore.as_retriever()
 
@@ -37,8 +36,10 @@ chain = (
     | StrOutputParser()
 )
 
+
 # Add typing for input
 class Question(BaseModel):
     __root__: str
 
+
 chain = chain.with_types(input_type=Question)