Only plot when a Picture object is there

grConvert is not needed for plotting

1 files changed, 1 insertions, 1 deletions

diff --git a/man/plot.chent.Rd b/man/plot.chent.Rd
index a406533..f2850fa 100644
--- a/man/plot.chent.Rd
+++ b/man/plot.chent.Rd
@@ -17,7 +17,7 @@ Plot method for chent objects
 \examples{
 caffeine <- chent$new("caffeine")
 print(caffeine)
-if (requireNamespace("grConvert")) {
+if (!is.null(caffeine$Picture)) {
   plot(caffeine)
 }
 }