The host in headers extracted from the original url may not be the same as the host in the redirect url. Poping out the host in headers force the code to use the host in the redirect url, otherwise the redirect may fail due to inconsistence of hosts in the original url and the redirect url.

Signed-off-by: 黃昕暐 <[email protected]>

Use `headers.pop("Host", None)` instead of a `if` statement.

Signed-off-by: 黃昕暐 <[email protected]>

… "Host" header in the redirect URL

Update the comment to explain the reason for poping out "Host" header from headers. Ths host in the redirect URL may not be the same as the original URL, pop out "Host" in headers before redirect would force using the host specified in the redirect URL.

Signed-off-by: 黃昕暐 <[email protected]>

Update the comment to explain the reason for poping out
"Host" header from headers. Ths host in the redirect URL
may not be the same as the original URL, pop out "Host" in
headers before redirect would force using the host specified
in the redirect URL.

Signed-off-by: 黃昕暐 <[email protected]>