add forgotten trait supports_class_weights to list

ablaom · ablaom · commit f49af3f31887 · 2021-01-18T14:53:43.000+13:00
diff --git a/src/StatisticalTraits.jl b/src/StatisticalTraits.jl
@@ -17,6 +17,7 @@ const TRAITS = [
     :package_url,
     :is_wrapper,
     :supports_weights,
+    :supports_class_weights,
     :supports_online,
     :docstring,
     :name,
