added Args:

app.py

@@ -22,7 +22,8 @@ python_code_executor=PythonInterpreterTool()
 @tool
 def describe_image(path: str) -> str:
     """Describes the image. requires image path. return image description.
-    path: Path to the image file.
+    Args:
+        path: Path to the image file to analyze.
     """
     image_captioner = pipeline(
     "image-to-text",
@@ -33,7 +34,8 @@ def describe_image(path: str) -> str:
 @tool    
 def audio_to_text_tool(audio_file_path):
     """Converts audio file to text. requires audio file path. return transcribed text.
-    audio_file_path: path of audio data file
+    Args:
+        audio_file_path: path of audio data file
     """
     output = SpeechToTextTool()
     return output 
@@ -41,7 +43,8 @@ def audio_to_text_tool(audio_file_path):
 @tool
 def excel_reader(file_path):
     """ reads an excel file. Requires the file path as input. Return rows and columns of a data frame.
-    file_path: file path as input
+    Args:
+        file_path: file path as input
     """
     df= pd.read_excel(file_path)
     return (df.rows, df.columns)