Update app.py

app.py

@@ -63,5 +63,5 @@ def serve_index():
 def serve_static(path):
     return send_from_directory('static', path)
 
-  if __name__ == '__main__':
-      app.run(host="0.0.0.0", port=7860)
+if __name__ == '__main__':
+    app.run(host="0.0.0.0", port=7860)