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-rw-r--r--qutebrowser/misc/debugcachestats.py4
1 files changed, 2 insertions, 2 deletions
diff --git a/qutebrowser/misc/debugcachestats.py b/qutebrowser/misc/debugcachestats.py
index 7deb8bdcd..b12995c5c 100644
--- a/qutebrowser/misc/debugcachestats.py
+++ b/qutebrowser/misc/debugcachestats.py
@@ -10,13 +10,13 @@ dependencies as possible to avoid cyclic dependencies.
import weakref
from typing import Any, Optional, TypeVar
-from collections.abc import Mapping, Callable
+from collections.abc import MutableMapping, Callable
from qutebrowser.utils import log
# The callable should be a lru_cache wrapped function
-_CACHE_FUNCTIONS: Mapping[str, Any] = weakref.WeakValueDictionary()
+_CACHE_FUNCTIONS: MutableMapping[str, Any] = weakref.WeakValueDictionary()
_T = TypeVar('_T', bound=Callable[..., Any])