allow operations with no input shape
allow operations with no input shape

DualSpark/rust-aws,indiv0/rusoto,mthjones/rusoto,rusoto/rusoto,mattico/rusoto,DualSpark/rusoto,DualSpark/rust-aws,SecurityInsanity/rusoto,rusoto/rusoto,SecurityInsanity/rusoto,mattico/rusoto,noggleboggle/rusoto,DualSpark/rusoto,mthjones/rusoto,ford-prefect/rusoto,rusoto/rusoto,DualSpark/rust-aws,cmsd2/rusoto,DualSpark/rusoto,mattico/rusoto,ford-prefect/rusoto