Use correct file endings

ForNet.py

@@ -1,5 +1,4 @@
 import gzip
-import itertools
 import json
 import multiprocessing
 import os
@@ -1541,6 +1540,9 @@ class ForNet(datasets.GeneratorBasedBuilder):
         logger.info(f"will save cls_to_idx to '{cls_to_idx_loc}'")
         logger.info("Opening files")
         class_to_zipfile = {}
+
+        name_start = "" if split == "train" else "val"
+        file_ending = "pkl"
         for f in patch_files:
             with zipfile.ZipFile(f, "r") as zf:
                 for name in zf.namelist():
@@ -1548,9 +1550,7 @@ class ForNet(datasets.GeneratorBasedBuilder):
                         class_to_zipfile[name.split("/")[-2]] = f
                         file_ending = "pkl" if name.endswith(".pkl") else "pkl.gz"
                         name_start = "/".join(name.split("/")[:-2])
-        else:
-            name_start = ""
-            file_ending = "pkl" if patch_files[0].startswith("train") else "pkl.gz"
+
         if len(name_start) > 0:
             name_start += "/"
         logger.info(f"Loading extra information: {hf_indices}, {fg_bg_ratios}")
@@ -1621,7 +1621,7 @@ class ForNet(datasets.GeneratorBasedBuilder):
                     running = False
                     tqdm.write("Finished imagenet iteration; waiting for zip loaders to finish")
 
-            if foraug_idx % 10_000 == 0:
+            if foraug_idx % 10_000 == 0 and foraug_idx > 0:
                 errors = comm_dict["n_errors"]
                 if errors > last_errors:
                     last_errors = errors