Update app.py

app.py

@@ -37,6 +37,10 @@ def get_current_time_in_timezone(timezone: str) -> str:
 
 @tool
 def text_splitter(text: str) -> List[str]:
+    """A tool that splits text by character.
+    Args:
+        text: A string of text to be split.
+    """
     c_splitter = CharacterTextSplitter(
         chunk_size=450,
         chunk_overlap=10