core[patch]: doc init positional args (#16854)

libs/core/langchain_core/documents/base.py

@@ -1,6 +1,6 @@
 from __future__ import annotations
 
-from typing import List, Literal
+from typing import Any, List, Literal
 
 from langchain_core.load.serializable import Serializable
 from langchain_core.pydantic_v1 import Field
@@ -17,6 +17,10 @@ class Document(Serializable):
     """
     type: Literal["Document"] = "Document"
 
+    def __init__(self, page_content: str, **kwargs: Any) -> None:
+        """Pass page_content in as positional or named arg."""
+        super().__init__(page_content=page_content, **kwargs)
+
     @classmethod
     def is_lc_serializable(cls) -> bool:
         """Return whether this class is serializable."""