langchain: `dosctore` import fix (#20678)

Cleaned up imports

libs/langchain/langchain/__init__.py

@@ -112,13 +112,13 @@ def __getattr__(name: str) -> Any:
 
         return VectorDBQAWithSourcesChain
     elif name == "InMemoryDocstore":
-        from langchain.docstore import InMemoryDocstore
+        from langchain_community.docstore import InMemoryDocstore
 
         _warn_on_import(name, replacement="langchain.docstore.InMemoryDocstore")
 
         return InMemoryDocstore
     elif name == "Wikipedia":
-        from langchain.docstore import Wikipedia
+        from langchain_community.docstore import Wikipedia
 
         _warn_on_import(name, replacement="langchain.docstore.Wikipedia")
 

libs/langchain/langchain/agents/react/base.py

@@ -1,6 +1,7 @@
 """Chain that implements the ReAct paper from https://arxiv.org/pdf/2210.03629.pdf."""
 from typing import Any, List, Optional, Sequence
 
+from langchain_community.docstore.base import Docstore
 from langchain_core._api import deprecated
 from langchain_core.documents import Document
 from langchain_core.language_models import BaseLanguageModel
@@ -14,7 +15,6 @@ from langchain.agents.react.output_parser import ReActOutputParser
 from langchain.agents.react.textworld_prompt import TEXTWORLD_PROMPT
 from langchain.agents.react.wiki_prompt import WIKI_PROMPT
 from langchain.agents.utils import validate_tools_single_input
-from langchain.docstore.base import Docstore
 
 
 @deprecated("0.1.0", removal="0.2.0")