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-rw-r--r--coverage/collector.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/coverage/collector.py b/coverage/collector.py
index a3c537d6..ab743ee3 100644
--- a/coverage/collector.py
+++ b/coverage/collector.py
@@ -433,7 +433,7 @@ class Collector:
plugin._coverage_enabled = False
disposition.trace = False
- @functools.lru_cache(maxsize=0)
+ @functools.lru_cache(maxsize=None) # pylint: disable=method-cache-max-size-none
def cached_mapped_file(self, filename: str) -> str:
"""A locally cached version of file names mapped through file_mapper."""
return self.file_mapper(filename)