Update app.py

app.py

@@ -30,6 +30,8 @@ from magic_pdf.rw.AbsReaderWriter import AbsReaderWriter
 from magic_pdf.rw.DiskReaderWriter import DiskReaderWriter
 from magic_pdf.tools.common import do_parse, prepare_env
 
+import spaces
+
 
 def read_fn(path):
     disk_rw = DiskReaderWriter(os.path.dirname(path))