Sync cache version check from transformers (#3179)

sync cache version check from transformers

Sync cache version check from transformers (#3179)
sync cache version check from transformers
730e01ec · Yuchen Fan · GitHub · 0d196f9f · 730e01ec
Unverified Commit 730e01ec authored Apr 25, 2023 by Yuchen Fan Committed by GitHub Apr 25, 2023
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src/diffusers/utils/hub_utils.py src/diffusers/utils/hub_utils.py +4 -1

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--- a/src/diffusers/utils/hub_utils.py
+++ b/src/diffusers/utils/hub_utils.py
@@ -199,7 +199,10 @@ if not os.path.isfile(cache_version_file):
    cache_version = 0
 else:
    with open(cache_version_file) as f:
-        cache_version = int(f.read())
+        try:
+            cache_version = int(f.read())
+        except ValueError:
+            cache_version = 0

 if cache_version < 1:
    old_cache_is_not_empty = os.path.isdir(old_diffusers_cache) and len(os.listdir(old_diffusers_cache)) > 0