Update app.py

app.py

@@ -44,4 +44,4 @@ def prev_card():
     return redirect(url_for('index', set=set_name, index=index))
 
 if __name__ == '__main__':
-    app.run(debug=True)
+    app.run(debug=True,host="0.0.0.0", port=7860)