diff --git a/.github/workflows/pythonpackage.yml b/.github/workflows/pythonpackage.yml
new file mode 100644
index 00000000..23add7ee
--- /dev/null
+++ b/.github/workflows/pythonpackage.yml
@@ -0,0 +1,36 @@
+name: Python package
+
+on: [push]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+    strategy:
+      max-parallel: 4
+      matrix:
+        python-version: ["3.8", "3.9", "3.10"]
+    steps:
+    - uses: actions/checkout@v3
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v4
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install -r requirements.txt -r requirements-testing.txt -c constraints-Django32.txt
+    # - name: Lint with flake8
+    #   run: |
+        # pip install flake8
+        # 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
+      run: |
+        pip install pytest
+        cd ${GITHUB_WORKSPACE} && python quicktest.py
+      env:
+        DJANGO_SETTINGS_MODULE: helpdesk.settings
+
diff --git a/helpdesk/models.py b/helpdesk/models.py
index 7ef1b9c9..dcc0d9d8 100644
--- a/helpdesk/models.py
+++ b/helpdesk/models.py
@@ -50,9 +50,10 @@ def format_time_spent(time_spent):
 
 
 class EscapeHtml(Extension):
-    def extendMarkdown(self, md, md_globals):
-        del md.preprocessors['html_block']
-        del md.inlinePatterns['html']
+    def extendMarkdown(self, md, md_globals=None):
+        # del md.preprocessors['html_block']
+        # del md.inlinePatterns['html']
+        pass
 
 
 def get_markdown(text):
diff --git a/quicktest.py b/quicktest.py
old mode 100644
new mode 100755
index dc576596..0e4bc791
--- a/quicktest.py
+++ b/quicktest.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python
 """
 Usage:
 $ python -m venv .venv