update app

app.py

@@ -1,15 +1,16 @@
-import gradio as gr
 import os
+os.environ['QT_QPA_PLATFORM']='offscreen' 
+os.environ['MPLCONFIGDIR'] = os.getcwd() + "/configs/"
+
 import re
 import subprocess
+import gradio as gr
 import time
 from symusic import Score, Synthesizer
 import torchaudio
 import torch
 
 # for rendering abc notation
-os.environ['QT_QPA_PLATFORM']='offscreen' 
-
 default_abc = """
 X:1
 L:1/8