num of workers = 0

app.py

@@ -55,7 +55,7 @@ def loading_data(img):
     ])
     # dcreate  the dataset
     test_set = data(img=img, transform=transform)
-    test_loader = DataLoader(test_set, batch_size=1, num_workers=4, shuffle=False, drop_last=False)
+    test_loader = DataLoader(test_set, batch_size=1, num_workers=0, shuffle=False, drop_last=False)
 
     return test_loader