diff --git a/.vscode/settings.json b/.vscode/settings.json
index 1d194f76d..fc5c66746 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -1,3 +1,3 @@
 {
   "python.pythonPath": "zulip-api-py3-venv/bin/python3.7"
-}
\ No newline at end of file
+}
diff --git a/zulip_bots/zulip_bots/bots/bugzilla/bugzilla.conf b/zulip_bots/zulip_bots/bots/bugzilla/bugzilla.conf
index f3e8ac8e0..0dff8efcb 100644
--- a/zulip_bots/zulip_bots/bots/bugzilla/bugzilla.conf
+++ b/zulip_bots/zulip_bots/bots/bugzilla/bugzilla.conf
@@ -1,3 +1,3 @@
 [bugzilla]
-site = http://bugs.lemoine.tech
-api_key = 2BjH9yZxjhe2ZK81wT2loaOOJ3yUvgbgu4akTsXc
+site = https://bugs.site.net
+api_key = xxxx
diff --git a/zulip_bots/zulip_bots/bots/bugzilla/doc.md b/zulip_bots/zulip_bots/bots/bugzilla/doc.md
index 8b83d801d..1b9f08e2b 100644
--- a/zulip_bots/zulip_bots/bots/bugzilla/doc.md
+++ b/zulip_bots/zulip_bots/bots/bugzilla/doc.md
@@ -5,9 +5,8 @@ This bot allows to update directly Bugzilla from Zulip
 ## Setup
 
 To use Bugzilla Bot, first set up `bugzilla.conf`. `bugzilla.conf` takes 2 options:
-
- - site (the site like `https://bugs.xxx.net` that includes both the protocol and the domain), and
- - api_key (a Bugzilla API key), 
+ - site (the site like `https://bugs.xxx.net` that includes both the protocol and the domain)
+ - api_key (a Bugzilla API key)
 
 
 ## Usage
diff --git a/zulip_bots/zulip_bots/bots/bugzilla/fixtures/test_comment.json b/zulip_bots/zulip_bots/bots/bugzilla/fixtures/test_comment.json
index 998ec7550..fe29e01ef 100644
--- a/zulip_bots/zulip_bots/bots/bugzilla/fixtures/test_comment.json
+++ b/zulip_bots/zulip_bots/bots/bugzilla/fixtures/test_comment.json
@@ -14,4 +14,4 @@
     "status": 200,
     "content-type": "application/json; charset=utf-8"
   }
-}
\ No newline at end of file
+}
diff --git a/zulip_bots/zulip_bots/bots/bugzilla/test_bugzilla.py b/zulip_bots/zulip_bots/bots/bugzilla/test_bugzilla.py
index 25892bf0c..6cfb1d028 100644
--- a/zulip_bots/zulip_bots/bots/bugzilla/test_bugzilla.py
+++ b/zulip_bots/zulip_bots/bots/bugzilla/test_bugzilla.py
@@ -1,5 +1,4 @@
 from typing import Any, Dict
-from unittest.mock import patch
 from zulip_bots.test_lib import BotTestCase, DefaultTests