modified how to work with depth images in dataloader

dataloader.py

@@ -193,8 +193,7 @@ class TestingDataset(Dataset):
 
         # foto produndidad
         img_name = os.path.join(self.root_dir , self.files[idx][:-4] + "_d.png")
-        img = Image.open(img_name).convert('I')
-        img = convert_I_to_L(img)
+        img = Image.open(img_name)
         if (img.size[0] != self.imageDim or img.size[1] != self.imageDim):
             img = img.resize((self.imageDim, self.imageDim))
         x1_dep = transforms.ToTensor()(img)