fix

app.py

@@ -19,10 +19,19 @@ if hf_token:
 else:
     print("⚠️ Hugging Face API token is missing! Set HF_TOKEN in Space secrets.")
 
-# ✅ Sound generation tool
+# ✅ Sound generation tool with properly formatted docstring
 @tool
 def generate_sound(sound_type: str, duration: int) -> str:
-    """Generates a simple sound file and returns its path for download."""
+    """
+    Generates a simple sound file and returns its file path.
+
+    Args:
+        sound_type (str): The type of sound to generate (e.g., 'rain', 'white_noise').
+        duration (int): The duration of the generated sound in seconds.
+
+    Returns:
+        str: The file path of the generated sound file.
+    """
     try:
         duration_ms = duration * 1000
         output_path = f"/home/user/app/{sound_type}_{duration}s.wav"
@@ -33,7 +42,7 @@ def generate_sound(sound_type: str, duration: int) -> str:
             return f"Unsupported sound type: {sound_type}"
 
         sound.export(output_path, format="wav")
-        return output_path  # ✅ Returns a file path for Gradio to display/download
+        return output_path  # ✅ Returns a valid file path for Gradio
 
     except Exception as e:
         return f"Error generating sound: {str(e)}"