POST requests require a <code>Content-length</code> header

使用Translate翻译时，当内容为空时，预期为[], 但是得到错误

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  <title>Error 411 (Length Required)!!1</title>
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  <p><b>411.</b> <ins>That’s an error.</ins>
  <p>POST requests require a <code>Content-length</code> header.  <ins>That’s all we know.</ins>

foyoux / pygtrans

POST requests require a <code>Content-length</code> header #2