Update pythonpublish.yml

.github/workflows/pythonpublish.yml

@@ -16,7 +16,7 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        pip install setuptools wheel twine
+        pip install setuptools wheel twine lxml
     - name: Build and publish
       env:
         TWINE_USERNAME: ${{ secrets.PYPI_USERNAME }}

.travis.yml

@@ -15,6 +15,7 @@ before_install:
     - "sudo add-apt-repository universe"
     - "sudo apt-get install -y ffmpeg"
     - "pip install pytest"
+    - "pip install lxml"
 #     - "pip install coverage"
 #     - "pip install codecov"
 #     - "pip install pytest-cov==2.5.0"