setup.py: roll back sleekxmpp requirement

to match what we have for lscsoft@sl7
16 jobs for setup.py-cleanup in 4 minutes and 15 seconds (queued for 3 seconds)
latest
Status Job ID Name Coverage
  Dist
passed #1054164
dist:tarball

00:00:14

 
  Build
passed #1054167
build:debian:buster

00:02:56

passed #1054166
build:debian:stretch

00:02:47

passed #1054165
build:el7

00:01:16

 
  Test
passed #1054179
doc

00:00:41

passed #1054168
test:2.7

00:00:43

passed #1054169
test:3.5

00:00:44

passed #1054170
test:3.6

00:00:34

passed #1054171
test:3.7

00:00:39

passed #1054172
test:3.8

00:00:20

passed #1054177
test:buster:2.7

00:01:02

passed #1054178
test:buster:3.7

00:00:49

failed #1054173
test:el7:2.7

00:01:01

passed #1054174
test:el7:3.6

00:01:10

passed #1054175
test:stretch:2.7

00:01:04

passed #1054176
test:stretch:3.5

00:00:35

 
Name Stage Failure
failed
test:el7:2.7 Test
  File "/usr/lib/python2.7/site-packages/pkg_resources.py", line 3007, in <module>
working_set.require(__requires__)
File "/usr/lib/python2.7/site-packages/pkg_resources.py", line 728, in require
needed = self.resolve(parse_requirements(requirements))
File "/usr/lib/python2.7/site-packages/pkg_resources.py", line 626, in resolve
raise DistributionNotFound(req)
pkg_resources.DistributionNotFound: numpy
Cleaning up file based variables
ERROR: Job failed: exit code 1