update workflow

Author: azhuzhu

.github/workflows/main.yml

@@ -18,18 +18,19 @@ jobs:
         uses: actions/setup-python@v4
         with:
           python-version: "3.9"
+          cache: 'pip' # caching pip dependencies
       - uses: fedora-python/[email protected]
         with:
           tox_env: flake8
-          dnf_install: krb5-devel
+          dnf_install: gcc krb5-devel
       - uses: fedora-python/[email protected]
         with:
           tox_env: safety
-          dnf_install: krb5-devel
+          dnf_install: gcc krb5-devel
       - uses: fedora-python/[email protected]
         with:
           tox_env: bandit
-          dnf_install: krb5-devel
+          dnf_install: gcc krb5-devel
 
   testing:
     runs-on: ubuntu-latest

tox.ini

@@ -4,6 +4,7 @@ requires = tox >= 4
            setuptools >= 62.0.0
 
 [testenv]
+install_command = python -I -m pip install --no-deps {opts} {packages}
 skip_install = True
 deps = -r{toxinidir}/dev-requirements.txt
 commands = py.test {posargs}