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-rw-r--r--Lib/mimetypes.py3
1 files changed, 2 insertions, 1 deletions
diff --git a/Lib/mimetypes.py b/Lib/mimetypes.py
index b98c874..d64726b 100644
--- a/Lib/mimetypes.py
+++ b/Lib/mimetypes.py
@@ -246,7 +246,8 @@ class MimeTypes:
except EnvironmentError:
break
else:
- yield ctype
+ if '\0' not in ctype:
+ yield ctype
i += 1
with _winreg.OpenKey(_winreg.HKEY_CLASSES_ROOT, '') as hkcr: