branch master updated (f255a19 -> d9a2a25)

[guix-commits]

efraim pushed a change to branch master
in repository guix.

    from f255a19  gnu: docker: Update to 19.03.7.
     new 2bc5d5d  gnu: python-ipython: Declare python2 variant.
     new 578e4cf  gnu: python2-ipykernel: Downgrade to 4.10.1.
     new ea2822d  gnu: Add python2-pyfaidx.
     new 1730537  gnu: python-pyfaidx: Update to 0.5.8.
     new afb8778  gnu: Add python2-pygraphviz.
     new d9a2a25  gnu: python-pybedtools: Update to 0.8.1.

The 6 revisions listed above as "new" are entirely new to this
repository and will be described in separate emails.  The revisions
listed as "add" were already present in the repository and have only
been added to this reference.


Summary of changes:
 gnu/packages/bioinformatics.scm |  22 ++++--
 gnu/packages/graphviz.scm       |   5 +-
 gnu/packages/python-xyz.scm     | 153 ++++++++++++++++++++--------------------
 3 files changed, 97 insertions(+), 83 deletions(-)