refactor: langchain imports auto-update

src/backend/base/langflow/components/vectorstores/Cassandra.py

@@ -1,13 +1,13 @@
 from typing import List
 
 from langchain_community.vectorstores import Cassandra
-from langchain.schema import BaseRetriever
 
 from langflow.custom import Component
 from langflow.schema import Data
 from langflow.inputs import BoolInput, IntInput, StrInput, HandleInput, DropdownInput
 from langflow.template import Output
 from langflow.helpers.data import docs_to_data
+from langchain_core.retrievers import BaseRetriever
 
 
 class CassandraVectorStoreComponent(Component):

src/backend/base/langflow/components/vectorstores/Couchbase.py

@@ -2,13 +2,13 @@ from datetime import timedelta
 from typing import List
 
 from langchain_community.vectorstores import CouchbaseVectorStore
-from langchain.schema import BaseRetriever
 
 from langflow.custom import Component
 from langflow.schema import Data
 from langflow.inputs import BoolInput, IntInput, StrInput, HandleInput
 from langflow.template import Output
 from langflow.helpers.data import docs_to_data
+from langchain_core.retrievers import BaseRetriever
 
 
 class CouchbaseVectorStoreComponent(Component):

src/backend/base/langflow/components/vectorstores/FAISS.py

@@ -1,8 +1,5 @@
 from typing import List
 
-from langchain.vectorstores import FAISS
-from langchain.schema import BaseRetriever
-
 from langflow.custom import Component
 from langflow.inputs import BoolInput, IntInput, StrInput, HandleInput
 from langflow.schema import Data
@@ -11,6 +8,8 @@ from langflow.field_typing import Text
 from langflow.helpers.data import docs_to_data
 
 from loguru import logger
+from langchain_community.vectorstores import FAISS
+from langchain_core.retrievers import BaseRetriever
 
 
 class FaissVectorStoreComponent(Component):

src/backend/base/langflow/components/vectorstores/MongoDBAtlasVector.py

@@ -1,13 +1,13 @@
 from typing import List
 
 from langchain_community.vectorstores import MongoDBAtlasVectorSearch
-from langchain.schema import BaseRetriever
 
 from langflow.custom import Component
 from langflow.schema import Data
 from langflow.inputs import BoolInput, IntInput, StrInput, HandleInput
 from langflow.template import Output
 from langflow.helpers.data import docs_to_data
+from langchain_core.retrievers import BaseRetriever
 
 
 class MongoVectorStoreComponent(Component):

src/backend/base/langflow/components/vectorstores/Pinecone.py

@@ -1,13 +1,12 @@
 from typing import List
 
-from langchain.vectorstores import Pinecone
-from langchain.schema import BaseRetriever
-
 from langflow.custom import Component
 from langflow.schema import Data
 from langflow.inputs import BoolInput, IntInput, StrInput, HandleInput, DropdownInput
 from langflow.template import Output
 from langflow.helpers.data import docs_to_data
+from langchain_core.retrievers import BaseRetriever
+from langchain_pinecone import Pinecone
 
 
 class PineconeVectorStoreComponent(Component):

src/backend/base/langflow/components/vectorstores/Qdrant.py

@@ -1,13 +1,12 @@
 from typing import List
 
-from langchain.vectorstores import Qdrant
-from langchain.schema import BaseRetriever
-
 from langflow.custom import Component
 from langflow.schema import Data
 from langflow.inputs import BoolInput, IntInput, StrInput, HandleInput, DropdownInput
 from langflow.template import Output
 from langflow.helpers.data import docs_to_data
+from langchain_community.vectorstores import Qdrant
+from langchain_core.retrievers import BaseRetriever
 
 
 class QdrantVectorStoreComponent(Component):

src/backend/base/langflow/components/vectorstores/SupabaseVectorStore.py

@@ -1,7 +1,6 @@
 from typing import List
 
 from langchain_community.vectorstores import SupabaseVectorStore
-from langchain.schema import BaseRetriever
 from supabase.client import Client, create_client
 
 from langflow.custom import Component
@@ -9,6 +8,7 @@ from langflow.schema import Data
 from langflow.inputs import IntInput, StrInput, HandleInput
 from langflow.template import Output
 from langflow.helpers.data import docs_to_data
+from langchain_core.retrievers import BaseRetriever
 
 
 class SupabaseVectorStoreComponent(Component):

src/backend/base/langflow/components/vectorstores/Upstash.py

@@ -1,13 +1,13 @@
 from typing import List
 
 from langchain_community.vectorstores import UpstashVectorStore
-from langchain.schema import BaseRetriever
 
 from langflow.custom import Component
 from langflow.schema import Data
 from langflow.inputs import BoolInput, IntInput, StrInput, HandleInput
 from langflow.template import Output
 from langflow.helpers.data import docs_to_data
+from langchain_core.retrievers import BaseRetriever
 
 
 class UpstashVectorStoreComponent(Component):

src/backend/base/langflow/components/vectorstores/Vectara.py

@@ -1,14 +1,13 @@
 from typing import List
 
-from langchain.embeddings import FakeEmbeddings
-from langchain.vectorstores import Vectara
-from langchain.schema import BaseRetriever
-
 from langflow.custom import Component
 from langflow.schema import Data
 from langflow.inputs import BoolInput, IntInput, StrInput, HandleInput
 from langflow.template import Output
 from langflow.helpers.data import docs_to_data
+from langchain_community.embeddings import FakeEmbeddings
+from langchain_community.vectorstores import Vectara
+from langchain_core.retrievers import BaseRetriever
 
 
 class VectaraVectorStoreComponent(Component):

src/backend/base/langflow/components/vectorstores/Weaviate.py

@@ -1,14 +1,14 @@
 from typing import List
 
 import weaviate
-from langchain.vectorstores import Weaviate
-from langchain.schema import BaseRetriever
 
 from langflow.custom import Component
 from langflow.schema import Data
 from langflow.inputs import BoolInput, IntInput, StrInput, HandleInput
 from langflow.template import Output
 from langflow.helpers.data import docs_to_data
+from langchain_community.vectorstores import Weaviate
+from langchain_core.retrievers import BaseRetriever
 
 
 class WeaviateVectorStoreComponent(Component):