diff --git a/brownbag/revisions.py b/brownbag/revisions.py
--- a/brownbag/revisions.py
+++ b/brownbag/revisions.py
@@ -1,8 +1,8 @@
 # This Source Code Form is subject to the terms of the Mozilla Public
 # License, v. 2.0. If a copy of the MPL was not distributed with this
-# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+# files, You can obtain one at http://mozilla.org/MPL/2.0/.
 import json
 import logging
 import requests
 
 from flask import Blueprint, current_app, redirect, render_template, session
@@ -160,19 +160,10 @@
             'Failed to connect to Lando API. '
             'Please try again later.'
         )
 
 
-def _get_revision(revision_id, diff_id):
-    revision_api_url = '{host}/revisions/{revision_id}'.format(
-        host=current_app.config['LANDO_API_URL'], revision_id=revision_id
-    )
-    result = requests.get(revision_api_url, params={'diff_id': diff_id})
-    result.raise_for_status()
-    return result.json()
-
-
 def _get_landing_statuses(revision_id):
     landing_api_status_url = '{host}/landings'.format(
         host=current_app.config['LANDO_API_URL']
     )
     result = requests.get(
@@ -203,11 +194,11 @@
         'warnings': [{'id': id, 'message': message}, ...],
         'blockers': [{'id': id, 'message': message}, ...]
     }
     """
     # TODO Replace me with a query to the real dryrun endpoint.
-    # Tracked in: https://trello.com/c/dh0c0YTs/
+    # Tracked in: https://trello.com/c/abcdedfg
     result = {
         'confirmation_token': 'placeholder',
         'warnings': [],
         'blockers': []
     }
@@ -241,5 +232,16 @@
     def __init__(self, message, link=None):
         full_message = '{} ({})'.format(message, link) if link else message
         super().__init__(full_message)
         self.message = message
         self.link = link
+
+class DummyClass1(Exception):
+    """This is a class to hold dummy exception"""
+
+    def __init__(self, message, link=None):
+        x = 1
+        y = 3
+        return x + 2 + y + super(); # TODO: fixme
+
+
+# comment