expand docstring in is_reference

gaozhenyu · Jan 16, 2021 · 778aee5 · 778aee5
1 parent 98eb6fd
commit 778aee5
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/pyomo/core/base/indexed_component.py b/pyomo/core/base/indexed_component.py
@@ -259,7 +259,10 @@ def is_indexed(self):
         return self._index is not UnindexedComponent_set
 
     def is_reference(self):
-        """ Return True if this component is a reference. """
+        """Return True if this component is a reference, where
+        "reference" is interpreted as any component that does not
+        own its own data.
+        """
         return self._data is not None and type(self._data) is not dict
 
     def dim(self):