diff options
Diffstat (limited to 'Lib/email/header.py')
| -rw-r--r-- | Lib/email/header.py | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/Lib/email/header.py b/Lib/email/header.py index 675b68d..5ea1871 100644 --- a/Lib/email/header.py +++ b/Lib/email/header.py @@ -253,7 +253,7 @@ class Header: # We need to test that the string can be converted to unicode and # back to a byte string, given the input and output codecs of the # charset. - if isinstance(s, str): + if isinstance(s, bytes): # Possibly raise UnicodeError if the byte string can't be # converted to a unicode with the input codec of the charset. incodec = charset.input_codec or 'us-ascii' @@ -263,7 +263,7 @@ class Header: # than the iput coded. Still, use the original byte string. outcodec = charset.output_codec or 'us-ascii' ustr.encode(outcodec, errors) - elif isinstance(s, str): + elif isinstance(s, bytes): # Now we have to be sure the unicode string can be converted # to a byte string with a reasonable output codec. We want to # use the byte string in the chunk. |