{"author":"chenyu","author_email":"chenyu@fastmail.com","author_time":1701471772,"commit_time":1701471772,"committer":"GitHub","committer_email":"noreply@github.com","hash":"e9426f4fe4bfd65f66f0473dc204a5623e3c9401","message":"simpler get_contraction (#2552)\n\n* simpler get_contraction\r\n\r\n* and test","parents":["eb595588bb4cfbf6048b9a2bfa649fba15c4ba2b"],"tree_hash":"0afc4e93c6cdc046c27afbd1417e678c9fe1ee62"}