Fix CI

.github/workflows/python-package.yml

@@ -26,15 +26,16 @@ jobs:
         python-version: ${{ matrix.python-version }}
     - name: Install dependencies
       run: |
+        sudo apt-get install tox
         python -m pip install --upgrade pip
-        python -m pip install flake8 pytest
+        python -m pip install flake8
         if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
     - name: Lint with flake8
       run: |
         # stop the build if there are Python syntax errors or undefined names
         flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
         # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
         flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
-    - name: Test with pytest
+    - name: Test with Tox
       run: |
-        pytest
+        tox -e py -v

tox.ini

@@ -0,0 +1,10 @@
+[tox]
+envlist = py39
+
+[testenv]
+deps =
+    pytest
+    pexpect
+    pyte
+commands =
+    pytest tests/