Hi,
the attached patch against the python-pip package fixes the issue for me.
Thanks,
Alexander
diff -urN orig/python-pip-9.0.1/debian/control python-pip-9.0.1/debian/control
--- orig/python-pip-9.0.1/debian/control 2018-04-26 08:19:09.000000000 +0200
+++ python-pip-9.0.1/debian/control 2018-04-28 17:58:17.894675791 +0200
@@ -37,6 +37,8 @@
python3-urllib3,
python3-webencodings,
python3-wheel,
+ python3-certifi,
+ python3-idna,
Standards-Version: 3.9.8
X-Python-Version: >= 2.7
X-Python3-Version: >= 3.4
diff -urN orig/python-pip-9.0.1/debian/rules python-pip-9.0.1/debian/rules
--- orig/python-pip-9.0.1/debian/rules 2017-01-11 21:48:53.000000000 +0100
+++ python-pip-9.0.1/debian/rules 2018-04-28 17:57:52.206648134 +0200
@@ -64,6 +64,8 @@
dirtbike urllib3
dirtbike webencodings
dirtbike wheel
+ dirtbike certifi
+ dirtbike idna
python3 setup.py bdist_wheel \
--universal \
-d $(CURDIR)/debian/python-pip-whl/usr/share/python-wheels
