diff options
Diffstat (limited to 'src/urllib3/poolmanager.py')
| -rw-r--r-- | src/urllib3/poolmanager.py | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/urllib3/poolmanager.py b/src/urllib3/poolmanager.py index fe5491cf..32bd9730 100644 --- a/src/urllib3/poolmanager.py +++ b/src/urllib3/poolmanager.py @@ -7,6 +7,7 @@ from ._collections import RecentlyUsedContainer from .connectionpool import HTTPConnectionPool, HTTPSConnectionPool from .connectionpool import port_by_scheme from .exceptions import LocationValueError, MaxRetryError, ProxySchemeUnknown +from .packages import six from .packages.six.moves.urllib.parse import urljoin from .request import RequestMethods from .util.url import parse_url @@ -342,8 +343,10 @@ class PoolManager(RequestMethods): # conn.is_same_host() which may use socket.gethostbyname() in the future. if (retries.remove_headers_on_redirect and not conn.is_same_host(redirect_location)): - for header in retries.remove_headers_on_redirect: - kw['headers'].pop(header, None) + headers = list(six.iterkeys(kw['headers'])) + for header in headers: + if header.lower() in retries.remove_headers_on_redirect: + kw['headers'].pop(header, None) try: retries = retries.increment(method, url, response=response, _pool=conn) |