def error_template(head_html, exception, extra):
    return '''
    <html>
    <head>
    <title>Server Error</title>
    %s
    </head>
    <body>
    <h1>Server Error</h1>
    %s
    %s
    </body>
    </html>''' % (head_html, exception, extra)
dataset/ETHPy150Open cloudera/hue/desktop/core/ext-py/Paste-2.0.1/paste/exceptions/errormiddleware.py/error_template/original