Fixed memory leak due to accumulation of redundant keywords

holoviz · Apr 13, 2017 · dfb9f52 · dfb9f52
1 parent 6c7de47
commit dfb9f52
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/holoviews/core/options.py b/holoviews/core/options.py
@@ -438,7 +438,7 @@ def _merge_options(self, identifier, group_name, options):
         allowed_kws = [] if options.allowed_keywords is None else options.allowed_keywords
         old_allowed = self[identifier][group_name].allowed_keywords if identifier in self.children else []
         old_allowed = [] if old_allowed is None else old_allowed
-        override_kwargs['allowed_keywords'] = sorted(allowed_kws + old_allowed)
+        override_kwargs['allowed_keywords'] = sorted(set(allowed_kws + old_allowed))
 
         if group_name not in self.groups:
             raise KeyError("Group %s not defined on SettingTree" % group_name)