github: keep yangtze's runs working

.github/python-nosetests-3.sh

@@ -3,7 +3,7 @@
 
 set -uex
 
-sudo add-apt-repository -y "deb http://archive.ubuntu.com/ubuntu/ trusty main universe"
+sudo add-apt-repository -y "deb http://archive.ubuntu.com/ubuntu/ jammy main universe"
 sudo apt-get update
 sudo apt-get install -y python3-mock python3-nose
 pip3 install mock

.github/python-nosetests.sh

@@ -3,11 +3,10 @@
 
 set -uex
 
-sudo add-apt-repository -y "deb http://archive.ubuntu.com/ubuntu/ trusty main universe"
 sudo apt-get update
-sudo apt-get install -y python-mock python-nose
-curl https://bootstrap.pypa.io/pip/2.7/get-pip.py |sudo python2
-pip install enum
+sudo apt-get install python2
+curl https://bootstrap.pypa.io/pip/2.7/get-pip.py | sudo python2
+pip install enum nose mock
 
 nosetests scripts scripts/examples scripts/examples/python
 PYTHONPATH=scripts/plugins python2 -m unittest -v test_extauth_hook_AD

.github/workflows/1.249-lcm.yml

@@ -7,7 +7,7 @@ on:
 jobs:
   python-test:
     name: Python tests
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     strategy:
       fail-fast: false
       matrix:
@@ -21,7 +21,7 @@ jobs:
 
   ocaml-test:
     name: Ocaml tests
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
 
     steps:
       - name: Checkout code

.github/workflows/format.yml

@@ -10,7 +10,7 @@ on:
 jobs:
   ocaml-format:
     name: Ocaml files
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
 
     steps:
       - name: Checkout code

scripts/test_usb_scan.py

@@ -2,7 +2,11 @@
 #
 # unittest for usb_scan.py
 
-from collections import Mapping, Container, Iterable
+try:
+    from collections import Mapping, Container, Iterable
+except:
+    from collections.abc import Mapping, Container, Iterable
+
 import mock
 from nose.tools import nottest
 import os