**Original report ([archived issue](https://labscript-suite.github.io/labscript-suite-bitbucket-archive/#!/labscript_suite/labscript_utils/issues/28)) by Chris Billington (Bitbucket: [cbillington](https://bitbucket.org/%7Be363c5a9-5075-4656-afb5-88bd6a6dceeb%7D/), GitHub: [chrisjbillington](https://github.com/chrisjbillington)).** ---------------------------------------- Labscript compilation using `import_or_reload` can crash with the following after a module has been modified:  Saw this on a fresh install with Python 3.7 in miniconda, and the latest released versions of everything as of a week ago.