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3 weeks ago · 2c4590ad5c
parent 14ec44b336
commit 2c4590ad5c
1 changed files with 3 additions and 1 deletions
--- a/libs/core/langchain_core/prompts/loading.py
+++ b/libs/core/langchain_core/prompts/loading.py
@ -138,7 +138,9 @@ def load_prompt(
    return _load_prompt_from_file(path, encoding)


-def _load_prompt_from_file(file: Union[str, Path], encoding: str) -> BasePromptTemplate:
+def _load_prompt_from_file(
+    file: Union[str, Path], encoding: Optional[str] = None
+) -> BasePromptTemplate:
    """Load prompt from file."""
    # Convert file to a Path object.
    if isinstance(file, str):