branch master updated (0b6de85 -> 45ebd90)

[guix-commits]

mbakke pushed a change to branch master
in repository guix.

    from 0b6de85  gnu: zabbix-agentd: Update to 4.4.6.
     new 76e0b5b  gnu: python-pyside: Update to 5.12.6.
     new c085742  gnu: libarea: Build with cmake-minimal.
     new 382550f  gnu: python2-scikit-learn: Downgrade to 0.20.4.
     new 3987715  gnu: python2-pandas: Fix build with Python 2.7.17.
     new c19930d  gnu: python-pyrsistent: Update to 0.15.7.
     new 5a9980d  gnu: python-networkx: Update to 2.4.
     new 23bc9a3  gnu: python-joblib: Update to 0.14.1.
     new 0731f94  gnu: Update python-seaborn to 0.10.0, python2-seaborn to 
0.9.1.
     new e3da9b2  gnu: Update python-natsort to 7.0.1, python2-natsort to 6.2.1.
     new a4abed7  gnu: python-parso: Update to 0.6.2.
     new 7d5f079  gnu: python-sqlalchemy: Update to 1.3.15.
     new ab6e4ab  gnu: python-psycopg2: Update to 2.8.4.
     new 745041b  gnu: python-jedi: Update to 0.16.
     new baea210  gnu: python-editor: Update to 1.0.4.
     new 45ebd90  gnu: python-alembic: Update to 1.4.1.

The 15 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/local.mk                                       |   2 +
 gnu/packages/databases.scm                         |  18 +-
 gnu/packages/engineering.scm                       |   2 +-
 gnu/packages/machine-learning.scm                  |  19 +-
 .../patches/python-alembic-exceptions-cause.patch  |  69 +++++
 .../patches/python-jedi-deleted-variables.patch    |  38 +++
 gnu/packages/python-science.scm                    |  29 +-
 gnu/packages/python-xyz.scm                        | 118 ++++----
 gnu/packages/qt.scm                                | 301 ++++++++++-----------
 9 files changed, 371 insertions(+), 225 deletions(-)
 create mode 100644 gnu/packages/patches/python-alembic-exceptions-cause.patch
 create mode 100644 gnu/packages/patches/python-jedi-deleted-variables.patch