#NEWLINE# @ property #NEWLINE# def ph_sz( self ) : #NEWLINE# #INDENT# '\n        Placeholder size, e.g. ST_PlaceholderSize.HALF, None if shape has no\n        ``<p:ph>`` descendant.\n        ' #NEWLINE# ph = self . ph #NEWLINE# if ( ph is None ) : #NEWLINE# #INDENT# raise ValueError ( 'not a placeholder shape' ) #NEWLINE# #UNINDENT# return ph . sz