Change logs for matplotlib source package in Impish

matplotlib (3.3.4-1) unstable; urgency=medium

  * New upstream release
  * debian/control
    - add sphinxdoc:Depends to -doc depends
  * debian/rules
    - enable hardening flags

 -- Sandro Tosi <email address hidden>  Mon, 01 Feb 2021 23:04:57 -0500