GPipe-2.1: dependencies

Dependencies for GPipe-2.1

library	base (>=4.7 && <4.9) Boolean (>=0.2 && <0.3) containers (>=0.5 && <0.6) exception-transformers (>=0.3 && <0.5) gl (>=0.7 && <0.8) hashtables (>=1.2 && <1.3) linear (>=1.18 && <1.21) transformers (>=0.3 && <0.5)