update

11 years ago · 9a30ace4a5
parent 63e381a6f7
commit 9a30ace4a5
1 changed files with 1 additions and 1 deletions
--- a/math.rkt
+++ b/math.rkt
@ -1,5 +1,5 @@
 #lang racket/base
-(require "core.rkt" racket/match)
+(require "core.rkt" racket/match racket/contract racket/string racket/list sugar/container sugar/coerce)
 (define/contract (css-unit? x)
  (any/c . -> . boolean?)