Revert common code Node to be Tandem.optional, see phetsims/blackbody…

…-spectrum#83
phetsims · Apr 25, 2019 · 1daf20f · 1daf20f
1 parent a96b2d7
commit 1daf20f
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/js/WavelengthSpectrumNode.js b/js/WavelengthSpectrumNode.js
@@ -27,7 +27,7 @@ define( function( require ) {
     options = _.extend( {
       minWavelength: VisibleColor.MIN_WAVELENGTH,
       maxWavelength: VisibleColor.MAX_WAVELENGTH,
-      tandem: Tandem.required
+      tandem: Tandem.optional
     }, options );
 
     // validation