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[Ghanshyam Mann <1886298@xxxxxxxxxxxxxxxxxx>]

** Also affects: python-troveclient
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/1886298

Title:
  Few of the lower constraints are not compatible with python3.8

Status in castellan:
  New
Status in ec2-api:
  New
Status in futurist:
  New
Status in manila-ui:
  New
Status in masakari:
  New
Status in OpenStack Compute (nova):
  In Progress
Status in os-win:
  New
Status in oslo.messaging:
  New
Status in oslo.policy:
  New
Status in oslo.privsep:
  New
Status in oslo.reports:
  New
Status in oslo.vmware:
  New
Status in Glance Client:
  New
Status in python-keystoneclient:
  New
Status in python-manilaclient:
  New
Status in python-novaclient:
  In Progress
Status in python-troveclient:
  New
Status in python-watcherclient:
  New
Status in Solum:
  New
Status in taskflow:
  New
Status in watcher:
  New

Bug description:
  lower constraint are being tested with python.6 till now and jobs
  running fine. With the migration of testing to ubuntu focal where
  python3.8 is default, lower-constraints job started failing due to
  multiple issues.

  For example,

  Markupsafe 1.0 not compatible with new setuptools:
  - https://github.com/pallets/markupsafe/issues/116

  paramiko 2.7.1 fixed the compatiblity for python3.7 onwards:
  https://github.com/paramiko/paramiko/issues/1108

  greenlet 0.4.15 added wheels for python 3.8:
  https://github.com/python-greenlet/greenlet/issues/151

  numpy 1.19.1 added python 3.8 support and testing:
  https://github.com/numpy/numpy/pull/14775

  paramiko 2.7.1 fixed the compatibility for python3.7 onwards:
  https://github.com/paramiko/paramiko/commit/4753881223e0ff5e3b3be35bb687a18dfec4f672

  Similarly there are many dependencies which added the python3.8
  support in their later version. So we need to bump their lower
  constraints to compatible version.

  Approach to identify the required bump is by running lower-constraint job on Focal and star bumping for the failed things. I started with nova repos
  and found below version bump:

  For Nova:
  Markupsafe==1.1.1
  cffi==1.14.0
  greenlet==0.4.15
  PyYAML==3.13
  lxml==4.5.0
  numpy==1.19.0
  psycopg2==2.8
  paramiko==2.7.1

  For python-novaclient:
  Markupsafe==1.1.1
  cffi==1.14.0
  greenlet==0.4.15
  PyYAML==3.13

  For os-vif:
  Markupsafe==1.1.1
  cffi==1.14.0

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