diff options
Diffstat (limited to 'Lib/email/policy.py')
| -rw-r--r-- | Lib/email/policy.py | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/Lib/email/policy.py b/Lib/email/policy.py index ea90a8f..18946c3 100644 --- a/Lib/email/policy.py +++ b/Lib/email/policy.py @@ -104,7 +104,7 @@ class EmailPolicy(Policy): """ if hasattr(value, 'name') and value.name.lower() == name.lower(): return (name, value) - if len(value.splitlines())>1: + if isinstance(value, str) and len(value.splitlines())>1: raise ValueError("Header values may not contain linefeed " "or carriage return characters") return (name, self.header_factory(name, value)) |