message: circleci: use ubuntu:rolling
diff: @@ -9,18 +9,28 @@ jobs:
  # executor: python/default
  resource_class: medium
  docker:
  - - image: circleci/buildpack-deps:impish
  + - image: ubuntu:rolling
  steps:
  - checkout
  + - run:
  + command: |
  + apt update
  + # because of tzdata
  + export DEBIAN_FRONTEND=noninteractive
  + export TZ=America/USA
  + apt update
  + apt install -y build-essential libantlr4-runtime-dev antlr4 cmake ninja-build python3-pip python3-dev python3 python3-pip git -y
  + # because of coverage (tool named coverage)
  + echo 'export PATH=$PATH:/root/.local/bin' >> $BASH_ENV
  + update-alternatives --install /usr/bin/python python /usr/bin/python3 1
  + source $BASH_ENV
  + - run:
  + command: |
  + update-alternatives --install /usr/bin/python python /usr/bin/python3 10;
  + update-alternatives --install /usr/bin/pip pip /usr/bin/pip3 10;
  - run: git submodule sync
  - run: git submodule update --init
  # - python/load-cache
  - - run: sudo apt update
  - - run: sudo apt install -y build-essential libantlr4-runtime-dev antlr4 cmake ninja-build python3-pip
  - - run:
  - command: |
  - sudo update-alternatives --install /usr/bin/python python /usr/bin/python3 10;
  - sudo update-alternatives --install /usr/bin/pip pip /usr/bin/pip3 10;
  - run:
  command: |
  @@ -46,18 +56,28 @@ jobs:
  # executor: python/default
  resource_class: medium
  docker:
  - - image: circleci/buildpack-deps:impish
  + - image: ubuntu:rolling
  steps:
  - checkout: {}
  + - run:
  + command: |
  + apt update
  + # because of tzdata
  + export DEBIAN_FRONTEND=noninteractive
  + export TZ=America/USA
  + apt update
  + apt install -y build-essential libantlr4-runtime-dev antlr4 cmake ninja-build python3-pip python3-dev python3 python3-pip git -y
  + # because of coverage (tool named coverage)
  + echo 'export PATH=$PATH:/root/.local/bin' >> $BASH_ENV
  + update-alternatives --install /usr/bin/python python /usr/bin/python3 1
  + source $BASH_ENV
  + - run:
  + command: |
  + update-alternatives --install /usr/bin/python python /usr/bin/python3 10;
  + update-alternatives --install /usr/bin/pip pip /usr/bin/pip3 10;
  - run: git submodule sync
  - run: git submodule update --init
  # - python/load-cache
  - - run: sudo apt update
  - - run: sudo apt install -y build-essential libantlr4-runtime-dev antlr4 cmake ninja-build python3-pip
  - - run:
  - command: |
  - sudo update-alternatives --install /usr/bin/python python /usr/bin/python3 10;
  - sudo update-alternatives --install /usr/bin/pip pip /usr/bin/pip3 10;
  - run:
  command: |
  