Update readme.md

orbisgis · Sep 25, 2024 · f1efdcb · f1efdcb
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diff --git a/readme.md b/readme.md
@@ -14,6 +14,7 @@ Demat uses the excellent [JAVET](https://github.com/caoccao/Javet) library to ex
 Let's run this script with Groovy to draw a simple bar chart and save it in a svg file.
 
 ```groovy
+@GrabConfig(systemClassLoader=true)
 @Grab(group = 'org.orbisgis', module = 'demat', version = '1.0.0')
 
 import static org.orbisgis.demat.Plot.*
@@ -36,6 +37,7 @@ shows https://vega.github.io/vega-lite/examples/bar.html
 Use online data.
 
 ```groovy
+@GrabConfig(systemClassLoader=true)
 @Grab(group = 'org.orbisgis', module = 'demat', version = '1.0.0')
 
 import static org.orbisgis.demat.Plot.*