import/cran: Import missing module.

This is a follow-up to commit b005c240bb5e436ffe9d55c2dd75c9af85aa0fdd.

Reported-by: Ludovic Courtès <ludo@gnu.org>
* guix/import/cran.scm: Import (guix ui) module.

diff --git a/guix/import/cran.scm b/guix/import/cran.scm
index 9929f3c..53b930a 100644 (file)
--- a/guix/import/cran.scm
+++ b/guix/import/cran.scm
@@ -45,6 +45,7 @@
   #:use-module (guix utils)
   #:use-module (guix git)
   #:use-module ((guix build-system r) #:select (cran-uri bioconductor-uri))
+  #:use-module (guix ui)
   #:use-module (guix upstream)
   #:use-module (guix packages)
   #:use-module (gnu packages)