adds cycler to matplotlib

[iahmad-khan]

cms-sw/cmssw#15660

[iahmad-khan]

please test

[cmsbuild]

The tests are being triggered in jenkins.
https://cmssdt.cern.ch/jenkins/job/cmsdist-test-pr/315/console

[cmsbuild]

A new Pull Request was created by @iahmad-khan (Ijaz ahmad khan) for branch IB/CMSSW_8_1_X/gcc530.

@cmsbuild, @smuzaffar, @iahmad-khan, @davidlange6 can you please review it and eventually sign? Thanks.
You can sign-off by replying to this message having '+1' in the first line of your reply.
You can reject by replying to this message having '-1' in the first line of your reply.

[cmsbuild]

-1

Tested at: 479dbc2

You can see the results of the tests here:
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-2474/315/summary.html

I found follow errors while testing this PR

Failed tests: RelVals

• RelVals:

When I ran the RelVals I found an error in the following worklfows:
1000.0 step1

DAS Error