Add pyMC3 add sub sections

4 jobs for 253-add-suggested-acknowledgements-to-the-readme in 17 minutes and 14 seconds (queued for 3 seconds)
Status Job ID Name Coverage
  Test
passed #258715
basic-2.7

00:00:46

passed #258716
basic-3.7

00:03:26

passed #258717
python-2.7

00:08:05

passed #258718
python-3.7

00:17:13

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