File "/home/smokey/SmokeDetector/spamhandling.py", line 29, in check_if_spam
test, why = FindSpam.test_post(title, body, user_name, post_site, is_answer, body_is_summary, owner_rep)
File "/home/smokey/SmokeDetector/findspam.py", line 479, in test_post
matched_title, why_title = rule['method'](title, site)
File "/home/smokey/SmokeDetector/findspam.py", line 46, in has_repeating_characters
if (100 * len(match) / len(s)) >= 20:
ZeroDivisionError: integer division or modulo by zero