Add Callable to field_typing constants

src/backend/langflow/field_typing/__init__.py

@@ -32,6 +32,7 @@ from .constants import (
     NestedDict,
     Data,
     BaseLanguageModel,
+    Callable,
 )
 
 __all__ = [
@@ -52,4 +53,5 @@ __all__ = [
     "TextSplitter",
     "Document",
     "AgentExecutor",
+    "Callable",
 ]

src/backend/langflow/field_typing/constants.py

@@ -10,7 +10,7 @@ from langchain.schema.memory import BaseMemory
 from langchain.text_splitter import TextSplitter
 from langchain.tools import Tool
 from langchain.vectorstores.base import VectorStore
-from typing import Union, Dict
+from typing import Union, Dict, Callable
 
 # Type alias for more complex dicts
 NestedDict = Dict[str, Union[str, Dict]]
@@ -48,4 +48,5 @@ CUSTOM_COMPONENT_SUPPORTED_TYPES = {
     "dict": dict,
     "NestedDict": NestedDict,
     "Data": Data,
+    "Callable": Callable,
 }