ruff format

app.py

@@ -85,7 +85,9 @@ def inference_func(wav_file, min_sec, max_sec):
             raise gr.Error("The duration is too low")
         n_channels = len(data)
         if n_channels > 1:
-            raise gr.Error(f"Your file must be in the mono format. The file has {n_channels} channels.")
+            raise gr.Error(
+                f"Your file must be in the mono format. The file has {n_channels} channels."
+            )
     except Exception as e:
         raise gr.Error(f"Can't read your file, the problem: {e}")