Add ci

.github/workflows/python-app.yml

@@ -0,0 +1,47 @@
+# This workflow will install Python dependencies, run tests and lint with a single version of Python
+# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-python
+
+name: Python Testing
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+jobs:
+  run-tests:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: [ "2.7", "3.11" ]
+
+    steps:
+    - uses: actions/checkout@v3
+    - name: Set up Python 3
+      if: matrix.python-version == '3.11'
+      uses: actions/setup-python@v4
+      with:
+        python-version: ${{ matrix.python-version }}
+
+    - name: Install Python 2
+      if: matrix.python-version == '2.7'
+      run: |
+        sudo apt update
+        sudo apt install python2 python-pip
+        sudo update-alternatives --install /usr/bin/python python /usr/bin/python2 1
+        sudo update-alternatives --install /usr/bin/python python /usr/bin/python3 2
+        printf '1\n' | sudo update-alternatives --config python
+        cd /usr/bin
+        sudo ln -s /usr/bin/pip2 ./pip
+
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install -r requirements-dev.txt
+        pip install -e .
+
+    - name: Tests
+      run: |
+       mamba