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UnitsUnion (hwx.inspire.core)
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Group of mutually exclusive attributes where only one is active at at time.

The active attribute is controlled by units.

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Public Methods
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  +---------------------------+
  | getActiveKey_ (self, obj) |
  +---------------------------+

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Method Details
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.. _getActiveKey:
.. method:: getActiveKey(self, obj)

Returns the active attribute.