diff --git a/zilencer/management/commands/add_mock_conversation.py b/zilencer/management/commands/add_mock_conversation.py
index cf03e0ac10..94a20a7b7d 100644
--- a/zilencer/management/commands/add_mock_conversation.py
+++ b/zilencer/management/commands/add_mock_conversation.py
@@ -69,7 +69,8 @@ From image editing program:
              'content': "I'm also a big fan of inline link, tweet, video, and image previews. "
              "Check out this picture of Çet Whalin[](/static/images/features/whale.png)!"},
             {'sender': starr,
-             'content': "I just set up a custom linkifier, so `#1234` becomes [#1234](github.com/zulip/zulip/1234), "
+             'content': "I just set up a custom linkifier, "
+                        "so `#1234` becomes [#1234](github.com/zulip/zulip/1234), "
              "a link to the corresponding GitHub issue."},
             {'sender': twitter_bot,
              'content': 'https://twitter.com/gvanrossum/status/786661035637772288'},
diff --git a/zilencer/management/commands/populate_db.py b/zilencer/management/commands/populate_db.py
index 1ec0760b30..5b2eb22c57 100644
--- a/zilencer/management/commands/populate_db.py
+++ b/zilencer/management/commands/populate_db.py
@@ -124,7 +124,8 @@ class Command(BaseCommand):
             # welcome-bot (needed for do_create_realm) hasn't been created yet
             zulip_realm = Realm.objects.create(
                 string_id="zulip", name="Zulip Dev", restricted_to_domain=True,
-                description="The Zulip development environment default organization.  It's great for testing!",
+                description="The Zulip development environment default organization."
+                            "  It's great for testing!",
                 invite_required=False, org_type=Realm.CORPORATE)
             RealmDomain.objects.create(realm=zulip_realm, domain="zulip.com")
             if options["test_suite"]:
@@ -261,7 +262,10 @@ class Command(BaseCommand):
                 client = get_client("website")
                 if user.full_name[0] <= 'H':
                     client = get_client("ZulipAndroid")
-                UserPresence.objects.get_or_create(user_profile=user, client=client, timestamp=date, status=status)
+                UserPresence.objects.get_or_create(user_profile=user,
+                                                   client=client,
+                                                   timestamp=date,
+                                                   status=status)
 
         user_profiles_ids = [user_profile.id for user_profile in user_profiles]
 
diff --git a/zilencer/management/commands/profile_request.py b/zilencer/management/commands/profile_request.py
index ee51631f4d..04acc04f97 100644
--- a/zilencer/management/commands/profile_request.py
+++ b/zilencer/management/commands/profile_request.py
@@ -23,8 +23,9 @@ class MockRequest(HttpRequest):
         self.path = '/'
         self.method = "POST"
         self.META = {"REMOTE_ADDR": "127.0.0.1"}
+        anchor = UserMessage.objects.filter(user_profile=self.user).order_by("-message")[200].message_id
         self.REQUEST = {
-            "anchor": UserMessage.objects.filter(user_profile=self.user).order_by("-message")[200].message_id,
+            "anchor": anchor,
             "num_before": 1200,
             "num_after": 200
         }