Delay loading of the rdkit module

According to the recommendation found here:
https://rstudio.github.io/reticulate/articles/package.html#delay-loading-python-modules

1 files changed, 3 insertions, 1 deletions

diff --git a/R/zzz.R b/R/zzz.R
index 5503a4a..248f830 100644
--- a/R/zzz.R
+++ b/R/zzz.R
@@ -1,6 +1,8 @@
 .onLoad = function(libname, pkgname) {
   rdkit_available <- FALSE
-  rdkit_module <- try(reticulate::import("rdkit"), silent = TRUE)
+  rdkit_module <- try(
+    reticulate::import("rdkit", delay_load = TRUE), 
+    silent = TRUE)
   if (!inherits(rdkit_module, "try-error")) {
     rdkit_available <- TRUE
   }