so what worked for me was the following startup userscript:
#!/bin/bash sleep 120 while sudo fuser /var/{lib/{dpkg,apt/lists},cache/apt/archives}/lock >/dev/null 2>&1; do echo 'Waiting for other instances of apt to complete...'; sleep 5; done sudo apt-get update while sudo fuser /var/{lib/{dpkg,apt/lists},cache/apt/archives}/lock >/dev/null 2>&1; do echo 'Waiting for other instances of apt to complete...'; sleep 5; done sudo apt-get install -y python3-dev python3-pip gcc git build-essential python3 -m pip install -U pip ...