Don't make redundant copies of the DFA (#2763)

[etc/vim.git] / src / black / cache.py

diff --git a/src/black/cache.py b/src/black/cache.py
index 017a2a913620febb17ffe2070cde095c54c29d44..bca7279f990bd222259fa9d362c1c18a60b38075 100644 (file)
--- a/src/black/cache.py
+++ b/src/black/cache.py
@@ -6,7 +6,7 @@ from pathlib import Path
 import tempfile
 from typing import Dict, Iterable, Set, Tuple
 
-from appdirs import user_cache_dir
+from platformdirs import user_cache_dir
 
 from black.mode import Mode
 
@@ -35,7 +35,7 @@ def read_cache(mode: Mode) -> Cache:
     with cache_file.open("rb") as fobj:
         try:
             cache: Cache = pickle.load(fobj)
-        except (pickle.UnpicklingError, ValueError):
+        except (pickle.UnpicklingError, ValueError, IndexError):
             return {}
 
     return cache