Update app.py

app.py

@@ -1,40 +1,3 @@
-#! /usr/bin/env python
-#
-# Copyright (c) 2012, Nathan Grigg
-# All rights reserved.
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions are met:
-#
-# * Redistributions of source code must retain the above copyright
-#   notice, this list of conditions and the following disclaimer.
-# * Redistributions in binary form must reproduce the above copyright
-#   notice, this list of conditions and the following disclaimer in the
-#   documentation and/or other materials provided with the distribution.
-# * Neither the name of this package nor the
-#   names of its contributors may be used to endorse or promote products
-#   derived from this software without specific prior written permission.
-#
-# This software is provided by the copyright holders and contributors "as
-# is" and any express or implied warranties, including, but not limited
-# to, the implied warranties of merchantability and fitness for a
-# particular purpose are disclaimed. In no event shall Nathan Grigg be
-# liable for any direct, indirect, incidental, special, exemplary, or
-# consequential damages (including, but not limited to, procurement of
-# substitute goods or services; loss of use, data, or profits; or business
-# interruption) however caused and on any theory of liability, whether in
-# contract, strict liability, or tort (including negligence or otherwise)
-# arising in any way out of the use of this software, even if advised of
-# the possibility of such damage.
-#
-# (also known as the New BSD License)
-#
-# Indiscriminate automated downloads from arXiv.org are not permitted.
-# For more information, see http://arxiv.org/help/robots
-#
-# This script usually makes only one call to arxiv.org per run.
-# No caching of any kind is performed.
-
 from __future__ import print_function
 from xml.etree import ElementTree
 import sys
@@ -174,7 +137,7 @@ class Reference(object):
     def bibtex(self):
         """BibTex string of the reference."""
 
-        self.new_id = self.authors[0].split(' ')[-1].lower()+self.year+self.title.split(' ')[0].lower()
+        self.new_id = self.authors[0].split(' ')[-1].lower()+self.year+self.title.split(' ')[0].lower().replace(":","")
 
         lines = ["@article{" + self.new_id]
         for k, v in [("Author", " and ".join(self.authors)),