A number of configuration options can affect the load process. This is a quick list of them:
autoload_dynamic_modules (Minion)cython_enable (Minion, Master)disable_modules (Minion)disable_returners (Minion)enable_zip_modules (Minion)extension_modules (Master)extmod_whitelist (Minion, Master)extmod_blacklist (Minion, Master)whitelist_modules (Minion)grains_dirs (Minion)module_dirs (Minion, Master)outputter_dirs (Minion, Master)providers (Minion)render_dirs (Minion)returner_dirs (Minion)runner_dirs (Master)states_dirs (Minion)utils_dirs (Minion)