With stdlab1.41 and all py mods On, Factorio disable pyalienlife. I update stdlib to 1.43, It all goes well. Can you update stdlib dependency to make sure no one run into this problem? i dont think theres anything that should require stdlib 1.4.3. it should have worked with 1.4.1as factorio wouldn'...

With stdlab1.41 and all py mods On, Factorio disable pyalienlife. I update stdlib to 1.43, It all goes well. Can you update stdlib dependency to make sure no one run into this problem?

i notice some balance issue...
using antitumor machine only cost more others materials for the same quantity of guts