SyntaxError: Generator expression must be parenthesized, '%s=%s' % (k, v) for k, v in params.it

    '%s=%s' % (k, v) for k, v in params.items(),
    ^
SyntaxError: Generator expression must be parenthesized

去掉那个items(),中逗号,就好了
if params:
    related_url += '?' + '&'.join(
        '%s=%s' % (k, v) for k, v in params.items(),

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转载自blog.csdn.net/old_man31/article/details/86366349