simplify dimembers

xgi/core/views.py

@@ -984,25 +984,16 @@ def dimembers(self, e=None, dtype=list):
         """
         if e is None:
             if dtype is dict:
-                return {
-                    key: (
-                        self._id_dict[key]["in"].copy(),
-                        self._id_dict[key]["out"].copy(),
-                    )
-                    for key in self
-                }
+                return {key: self._id_dict[key].copy() for key in self}
             elif dtype is list:
-                return [
-                    (self._id_dict[key]["in"].copy(), self._id_dict[key]["out"].copy())
-                    for key in self
-                ]
+                return [self._id_dict[key].copy() for key in self]
             else:
                 raise XGIError(f"Unrecognized dtype {dtype}")
 
         if e not in self:
             raise IDNotFound(f'ID "{e}" not in this view')
 
-        return (self._id_dict[e]["in"].copy(), self._id_dict[e]["out"].copy())
+        return self._id_dict[e].copy()
 
     def members(self, e=None, dtype=list):
         """Get the edges of a directed hypergraph.