Update tox and gh workflow

.github/workflows/tests.yaml

@@ -8,13 +8,26 @@ jobs:
   test:
     strategy:
       matrix:
-        python-version: ['3.10']
-        os: [ubuntu-22.04]
+        python-version: ['3.8', '3.10', '3.12']
+        os: [ubuntu-24.04, ubuntu-22.04, ubuntu-20.04]
+        exclude:
+          - os: ubuntu-24.04
+            python-version: '3.8'
+          - os: ubuntu-24.04
+            python-version: '3.10'
+          - os: ubuntu-22.04
+            python-version: '3.8'
+          - os: ubuntu-22.04
+            python-version: '3.12'
+          - os: ubuntu-20.04
+            python-version: '3.10'
+          - os: ubuntu-20.04
+            python-version: '3.12'
     runs-on: ${{ matrix.os }}
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v4
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v4
+      uses: actions/setup-python@v5
       with:
         python-version: ${{ matrix.python-version }}
     - name: Install dependencies

tox.ini

@@ -7,14 +7,9 @@ minversion = 3.18.0
 [testenv]
 basepython = {env:TOX_PYTHON:python3}
 unit_tests = {toxinidir}/tests/unit/
+pyfiles = {toxinidir}/setup.py {toxinidir}/searchkit/ {[testenv]unit_tests}
 passenv =
     TESTS_LOG_LEVEL_DEBUG
-setenv = VIRTUAL_ENV={envdir}
-         PYTHONHASHSEED=0
-         TERM=linux
-         SEARCHKIT_ROOT={toxinidir}/searchkit
-         TESTS_DIR={[testenv]unit_tests}
-         PYFILES={toxinidir}/setup.py {toxinidir}/searchkit/ {[testenv]unit_tests}
 deps =
     -r{toxinidir}/requirements.txt
     -r{toxinidir}/test-requirements.txt
@@ -23,15 +18,9 @@ commands = stestr run --serial --test-path {[testenv]unit_tests} {posargs}
 [testenv:pep8]
 allowlist_externals = flake8
 commands =
-  flake8 -v {posargs:{env:PYFILES}}
+  flake8 -v {posargs:{[testenv]pyfiles}}
 
 [flake8]
-# E126 continuation line over-indented for hanging indent
-# E128 continuation line under-indented for visual indent
-# E401 multiple imports on one line
-# H301 one import per line
-# W504 line break after binary operator
-ignore = E126,E128,E401,H301,W504
 # H106: Don't put vim configuration in source files
 # H203: Use assertIs(Not)None to check for None
 # H204: Use assert(Not)Equal to check for equality
@@ -44,5 +33,5 @@ import-order-style = pep8
 
 [testenv:pylint]
 allowlist_externals = pylint
-commands = pylint -v --rcfile={toxinidir}/pylintrc {posargs:{env:PYFILES}}
+commands = pylint -v --rcfile={toxinidir}/pylintrc {posargs:{[testenv]pyfiles}}