🔧 fix(field_typing): import BaseLanguageModel in __init__.py to resolve missing import error

🔧 fix(constants.py): import BaseLanguageModel in constants.py to resolve missing import error

src/backend/langflow/field_typing/__init__.py

@@ -31,6 +31,7 @@ from .constants import (
     AgentExecutor,
     NestedDict,
     Data,
+    BaseLanguageModel,
 )
 
 __all__ = [
@@ -41,6 +42,7 @@ __all__ = [
     "Chain",
     "BaseChatMemory",
     "BaseLLM",
+    "BaseLanguageModel",
     "BaseLoader",
     "BaseMemory",
     "BaseOutputParser",

src/backend/langflow/field_typing/constants.py

@@ -1,7 +1,7 @@
 from langchain.agents.agent import AgentExecutor
 from langchain.chains.base import Chain
 from langchain.document_loaders.base import BaseLoader
-from langchain.llms.base import BaseLLM
+from langchain.llms.base import BaseLLM, BaseLanguageModel
 from langchain.memory.chat_memory import BaseChatMemory
 from langchain.prompts import PromptTemplate
 from langchain.schema import BaseOutputParser, BaseRetriever, Document
@@ -25,6 +25,7 @@ LANGCHAIN_BASE_TYPES = {
     "AgentExecutor": AgentExecutor,
     "Tool": Tool,
     "BaseLLM": BaseLLM,
+    "BaseLanguageModel": BaseLanguageModel,
     "PromptTemplate": PromptTemplate,
     "BaseLoader": BaseLoader,
     "Document": Document,