added @tool

app.py

@@ -22,21 +22,21 @@ image_captioner = pipeline(
     "image-to-text",
     model="Salesforce/blip-image-captioning-base"
 )
-
+@tool
 def describe_image(path):
     """Describes the image. requires image path. return image description.
     Args: path of image
     """
     return image_captioner(path)[0]["generated_text"]
 
-    
+@tool    
 def audio_to_text_tool(audio_file_path):
     """Converts audio file to text. requires audio file path. return transcribed text.
     Args: path of audio data file
     """
     output = SpeechToTextTool()
     return output 
-
+@tool
 def excel_reader(file_path):
     """ reads an excel file. Requires the file path as input. Return rows and columns of a data frame.
     Args: file path as input