Skip plotting in examples if grConvert is missing

2 files changed, 9 insertions, 3 deletions

diff --git a/man/chent.Rd b/man/chent.Rd
index 8d85de1..a90a3b3 100644
--- a/man/chent.Rd
+++ b/man/chent.Rd
@@ -55,9 +55,13 @@ configured for use with PythonInR}
 \examples{
 oct <- chent$new("1-octanol", smiles = "CCCCCCCCO")
 print(oct)
-plot(oct)
+if (requireNamespace("grConvert")) {
+  plot(oct)
+}
 caffeine <- chent$new("caffeine")
 print(caffeine)
-plot(caffeine)
+if (requireNamespace("grConvert")) {
+  plot(caffeine)
+}
 }
 \keyword{data}
diff --git a/man/plot.chent.Rd b/man/plot.chent.Rd
index 416675d..a406533 100644
--- a/man/plot.chent.Rd
+++ b/man/plot.chent.Rd
@@ -17,5 +17,7 @@ Plot method for chent objects
 \examples{
 caffeine <- chent$new("caffeine")
 print(caffeine)
-plot(caffeine)
+if (requireNamespace("grConvert")) {
+  plot(caffeine)
+}
 }