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-rw-r--r--coverage/collector.py1
1 files changed, 1 insertions, 0 deletions
diff --git a/coverage/collector.py b/coverage/collector.py
index d646837..bc385fc 100644
--- a/coverage/collector.py
+++ b/coverage/collector.py
@@ -371,6 +371,7 @@ class Collector(object):
tracer.data = data
def cached_abs_file(self, filename):
+ """A locally cached version of `abs_file`."""
key = (type(filename), filename)
try:
return self.abs_file_cache[key]