Update app.py

app.py

@@ -1,12 +1,23 @@
 import subprocess
+import os
 
 def setup_and_run():
-    # Run the setup script
-    subprocess.run(['bash', 'setup.sh'], check=True)
-    
-    # Run the gradio_inference.py script from the cloned repository
-    result = subprocess.run(['python', 'V-Express/extract_kps_sequence_and_audio.py'], capture_output=True, text=True)
-    return result.stdout + "\n" + result.stderr
+    try:
+        # Run the setup script
+        subprocess.run(['bash', 'setup.sh'], check=True)
+        
+        # Change the working directory to V-Express
+        os.chdir('V-Express')
+        
+        # Run the extract_kps_sequence_and_audio.py script from within the V-Express directory
+        result = subprocess.run(['python', 'extract_kps_sequence_and_audio.py'], capture_output=True, text=True)
+        
+        # Change back to the original working directory
+        os.chdir('..')
+        
+        return result.stdout + "\n" + result.stderr
+    except subprocess.CalledProcessError as e:
+        return f"An error occurred: {e}\n{e.output}"
 
 if __name__ == "__main__":
     output = setup_and_run()