Merge pull request #138 from gisce/fix_ubuntu_20

Fix ubuntu 20

Author: polsala

.github/workflows/release.yml

@@ -14,12 +14,12 @@ jobs:
       - name: Set up Python 2.7
         run: |
           sudo apt update
-          sudo apt install python2 python-pip
+          sudo apt install python2 python2-dev
+          curl https://bootstrap.pypa.io/pip/2.7/get-pip.py --output get-pip.py
+          sudo python2 get-pip.py
           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: Get tag
         id: tag
         uses: dawidd6/action-get-tag@v1