Fixes #7049, related to #9440
@ -2031,11 +2031,7 @@ def mimetype2ext(mt):
def urlhandle_detect_ext(url_handle):
try:
url_handle.headers
getheader = lambda h: url_handle.headers[h]
except AttributeError: # Python < 3
getheader = url_handle.info().getheader
getheader = url_handle.headers.get
cd = getheader('Content-Disposition')
if cd: