Update issue_to_bibtex.py

Author: pancetta

bin/issue_to_bibtex.py

@@ -134,7 +134,7 @@
                     i += 1
 
             if not duplicate:
-                bib = re.sub(r'(@[a-z]*{)(.*),', r'\1' + id + ',', bib)
+                bib = re.sub(r'(@[a-z]*{)(.*?),', r'\1' + id + ',', bib)
                 url_bad = re.search(r'url\s*=\s*{(.*)}', bib).groups()[0]
                 bib = re.sub(r'(url\s*=\s*{)(.*)}', r'\1' + urllib.parse.unquote(url_bad) + '}', bib)
                 bib_db = bibtexparser.loads(bib)