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-rw-r--r--coverage/phystokens.py6
1 files changed, 5 insertions, 1 deletions
diff --git a/coverage/phystokens.py b/coverage/phystokens.py
index 7184f160..c6dc1e0a 100644
--- a/coverage/phystokens.py
+++ b/coverage/phystokens.py
@@ -173,7 +173,11 @@ class CachedTokenizer:
if text != self.last_text:
self.last_text = text
readline = iter(text.splitlines(True)).__next__
- self.last_tokens = list(tokenize.generate_tokens(readline))
+ try:
+ self.last_tokens = list(tokenize.generate_tokens(readline))
+ except:
+ self.last_text = None
+ raise
return self.last_tokens
# Create our generate_tokens cache as a callable replacement function.