As shown in Figure 4, you get a blank screen, a horizontal rule, and a return value of 1.

您得到的是一个空白的屏幕，一条水平线和返回值1，如图4所示。

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If not valid, return a blank Ajax response to the client.

如果无效，则向客户端返回空的Ajax响应。

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Unfortunately, the way doctest parses apparent sessions treats blank lines as ending sessions — so output like the return value of pyobj_printer needs to be munged slightly to be tested.

不幸的是，doctest在解析显式会话时，将空行作为会话结束来处理——所以，像pyobj_printer的返回值这样的输出需要加一些保护(be munged slightly)以进行测试。

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What should you do if you find yourself with a blank tax return form, a shoe box full of receipts and just a few weeks, or even days, left?

FORBES: Simple Last-Minute Tax Tips