buildx failed with: ERROR: failed to solve: process "/bin/bash -o pipefail -c set -eux; \t\twget --progress=dot:giga -O get-pip.py \"$PYTHON_GET_PIP_URL\"; \techo \"$PYTHON_GET_PIP_SHA256 *get-pip.py\" | sha256sum -c -; \t\texport PYTHONDONTWRITEBYTECODE=1; \t\tpython get-pip.py \t\t--disable-pip-version-check \t\t--no-cache-dir \t\t--no-compile \t\t\"pip==$PYTHON_PIP_VERSION\" \t\t\"setuptools==$PYTHON_SETUPTOOLS_VERSION\" \t; \trm -f get-pip.py; \t\tpip --version" did not complete successfully: exit code: 1