#NEWLINE# def get_alt_context( self , ctx ) : #NEWLINE# #INDENT# "\n        returns the context values for this node[ctx] actually\n        belong in. This can be different from ctx if its a\n        shifted context but this node doesn't depend on that shift.\n        " #NEWLINE# node_state = self . _get_state ( self ) #NEWLINE# if ( node_state . alt_context is None ) : #NEWLINE# #INDENT# node_state . alt_context = self . _get_alt_context ( ctx ) #NEWLINE# #UNINDENT# return node_state . alt_context