Diff between stable and ubuntu 20.04

Files that may need to be reviewed between stable and unbuntu 20.04

[ ] diff --git a/.gitignore b/.gitignore
[ ] diff --git a/ci/windows.dockerfile b/ci/windows.dockerfile
[ ] diff --git a/plenum/common/script_helper.py b/plenum/common/script_helper.py
[ ] diff --git a/plenum/server/node.py b/plenum/server/node.py
[ ] diff --git a/plenum/server/request_handlers/nym_handler.py b/plenum/server/request_handlers/nym_handler.py
[ ] diff --git a/plenum/server/request_managers/write_request_manager.py b/plenum/server/request_managers/write_request_manager.py
[ ] diff --git a/plenum/server/validator_info_tool.py b/plenum/server/validator_info_tool.py
[ ] diff --git a/plenum/test/conftest.py b/plenum/test/conftest.py
[ ] diff --git a/plenum/test/consensus/view_change/test_sim_view_change.py b/plenum/test/consensus/view_change/test_sim_view_change.py
[ ] diff --git a/plenum/test/helper.py b/plenum/test/helper.py

hyperledger / indy-plenum