<pre><code>missing_buckets = [x in timebuckets if ((x not in found_tenors) and (x == '1y' or x[-1] != 'y'))]
</code></pre>
<p>我得到一个错误:</p>
<pre><code>missing_buckets = [x in timebuckets if ((x not in found_tenors) and (x == '1y' or x[-1] != 'y'))]
^
SyntaxError: invalid syntax
</code></pre>