This bug was fixed in the package python-pip - 9.0.1-2.3~ubuntu1.18.04.1
--------------- python-pip (9.0.1-2.3~ubuntu1.18.04.1) bionic; urgency=medium
* d/p/bug1822842.patch: Pick fix to resolve issues when using --{extra-}-index-urls due to de-bundling of dependencies in distro versions of pip (LP: #1822842).
-- James Page <email address hidden> Wed, 03 Apr 2019 10:23:03 +0100
This bug was fixed in the package python-pip - 9.0.1-2. 3~ubuntu1. 18.04.1
--------------- 2.3~ubuntu1. 18.04.1) bionic; urgency=medium
python-pip (9.0.1-
* d/p/bug1822842.patch: Pick fix to resolve issues when using extra-} -index- urls due to de-bundling of dependencies in
--{
distro versions of pip (LP: #1822842).
-- James Page <email address hidden> Wed, 03 Apr 2019 10:23:03 +0100