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-rw-r--r--Lib/linecache.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/Lib/linecache.py b/Lib/linecache.py
index b981869..f5726e9 100644
--- a/Lib/linecache.py
+++ b/Lib/linecache.py
@@ -59,7 +59,7 @@ def checkcache():
def updatecache(filename):
if cache.has_key(filename):
del cache[filename]
- if filename[0] + filename[-1] == '<>':
+ if not filename or filename[0] + filename[-1] == '<>':
return []
fullname = filename
try: