reformat code

utils/datasets.py

@@ -423,7 +423,7 @@ class LoadImagesAndLabels(Dataset):  # for training/testing
                 ne += 1  # print('empty labels for image %s' % self.img_files[i])  # file empty
                 # os.system("rm '%s' '%s'" % (self.img_files[i], self.label_files[i]))  # remove
 
-            if rank in [-1,0]:
+            if rank in [-1, 0]:
                 pbar.desc = 'Scanning labels %s (%g found, %g missing, %g empty, %g duplicate, for %g images)' % (
                     cache_path, nf, nm, ne, nd, n)
         if nf == 0: