diff options
Diffstat (limited to 'requests/utils.py')
| -rw-r--r-- | requests/utils.py | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/requests/utils.py b/requests/utils.py index db67938e..905c9330 100644 --- a/requests/utils.py +++ b/requests/utils.py @@ -947,6 +947,8 @@ def check_header_validity(header): :param header: tuple, in the format (name, value). """ name, value = header + if value is None: + return if isinstance(value, bytes): pat = _CLEAN_HEADER_REGEX_BYTE |