Module( body=[ While( test=Name( value='True', lpar=[ LeftParen(), ], rpar=[ RightParen(), ], ), body=IndentedBlock( body=[ SimpleStatementLine( body=[ Pass(), ], ), ], ), ), While( test=Comparison( left=Name( value='num_blanks_to_yield', ), comparisons=[ ComparisonTarget( operator=LessThan(), comparator=Integer( value='0', ), ), ], lpar=[ LeftParen(), ], rpar=[ RightParen(), ], ), body=IndentedBlock( body=[ SimpleStatementLine( body=[ AugAssign( target=Name( value='num_blanks_to_yield', ), operator=AddAssign(), value=Integer( value='1', ), ), ], ), SimpleStatementLine( body=[ Expr( value=Yield( value=Tuple( elements=[ Element( value=Name( value='None', ), ), Element( value=Tuple( elements=[ Element( value=SimpleString( value="''", ), ), Element( value=SimpleString( value="'\\n'", ), ), ], ), ), Element( value=Name( value='True', ), ), ], lpar=[], rpar=[], ), ), ), ], ), ], ), ), ], )