SyntaxError on Centos 7 

  File "detect_doublepulsar_smb.py", line 7
    <!DOCTYPE html>
     ^
SyntaxError: invalid syntax
===============================
I tired use python2 also get this error.

my python version : 
Python 2.7.5 (default, Nov  6 2016, 00:28:07)
[GCC 4.8.5 20150623 (Red Hat 4.8.5-11)] on linux2

any suggest or help ?

Thanks~