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-rw-r--r--coverage/files.py5
1 files changed, 3 insertions, 2 deletions
diff --git a/coverage/files.py b/coverage/files.py
index b328f653..d9495912 100644
--- a/coverage/files.py
+++ b/coverage/files.py
@@ -59,6 +59,7 @@ def canonical_filename(filename):
"""
if filename not in CANONICAL_FILENAME_CACHE:
+ cf = filename
if not os.path.isabs(filename):
for path in [os.curdir] + sys.path:
if path is None:
@@ -69,9 +70,9 @@ def canonical_filename(filename):
except UnicodeError:
exists = False
if exists:
- filename = f
+ cf = f
break
- cf = abs_file(filename)
+ cf = abs_file(cf)
CANONICAL_FILENAME_CACHE[filename] = cf
return CANONICAL_FILENAME_CACHE[filename]