Update app.py

app.py

@@ -5,7 +5,7 @@ from skops import io as sio
 
 def convert(file):
     print(file)
-    obj = joblib.load(file)
+    obj = joblib.load(file.name)
     _, fname = tempfile.mkstemp(prefix=file + ".skops")
     sio.dump(obj, fname)
     return fname