diff --git a/rag/utils/__init__.py b/rag/utils/__init__.py
index 11a2f7db9..8468bf4c3 100644
--- a/rag/utils/__init__.py
+++ b/rag/utils/__init__.py
@@ -100,7 +100,7 @@ def clean_markdown_block(text):
     return text.strip()
 
   
-def get_float(v: str | int | float | None):
+def get_float(v):
     if v is None:
         return float('-inf')
     try: