Further clarified is_group in TopologyAttrContainer.subclass

MDAnalysis · Dec 6, 2017 · 3c4d607 · 3c4d607
1 parent b9db71d
commit 3c4d607
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/package/MDAnalysis/core/groups.py b/package/MDAnalysis/core/groups.py
@@ -191,7 +191,10 @@ def _subclass(cls, is_group):
         ----------
         is_group : bool
             The :attr:`_is_group` of the returned class will be set to
-            *is_group*. It controls the type of :class:`TopologyAttr` addition.
+            *is_group*. This is used to distinguish between Groups (AtomGroup
+            etc.) and Components (Atom etc.) in internal methods when
+            considering actions such as addition between objects, adding
+            TopologyAttributes to them.
 
         Returns
         -------