fixed-length 0.2.3.1

Only display out-of-date packages.

5 Reverse deps	Accepted versions
comfort-array-shape	>=0.2.3 && <0.3
hmm-lapack	>=0.2.1 && <0.3
knead	>=0.2.1 && <0.3
llvm-extra	>=0.2.1 && <0.3
llvm-tf	>=0.2 && <0.3