Update common.py

tools/prepare_dataset/common.py

@@ -107,7 +107,7 @@ def crop_patches(crop_size,
     if max_workers < 0:
         raise ValueError("`max_workers` must be a non-negative integer!")
 
-    if subset is None:
+    if subsets is None:
         subsets = ('', )
 
     if max_workers == 0:
@@ -280,4 +280,4 @@ def random_split(samples,
         # Append remainder to the last split
         splits[-1].append(splits[ed_idx:])
 
-    return splits
+    return splits