Only plot when a Picture object is there

grConvert is not needed for plotting

2 files changed, 3 insertions, 3 deletions

diff --git a/man/chent.Rd b/man/chent.Rd
index a90a3b3..73cb728 100644
--- a/man/chent.Rd
+++ b/man/chent.Rd
@@ -55,12 +55,12 @@ configured for use with PythonInR}
 \examples{
 oct <- chent$new("1-octanol", smiles = "CCCCCCCCO")
 print(oct)
-if (requireNamespace("grConvert")) {
+if (!is.null(caffeine$Picture)) {
   plot(oct)
 }
 caffeine <- chent$new("caffeine")
 print(caffeine)
-if (requireNamespace("grConvert")) {
+if (!is.null(caffeine$Picture)) {
   plot(caffeine)
 }
 }
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)
 }
 }