Update app.py

app.py

@@ -15,7 +15,9 @@ if __name__ == '__main__':
     os.environ['GRADIO_SSR_MODE'] = "false"
     os.environ['MINERU_PDF_RENDER_TIMEOUT'] = "10"
     try:
-        with open('/home/user/mineru.json', 'r+') as file:
+        home_dir = os.path.expanduser('~')
+        config_file = os.path.join(home_dir, 'mineru.json')
+        with open(config_file, 'r+') as file:
             config = json.load(file)
             
             delimiters = {