diff --git a/app/brm/utils.py b/app/brm/utils.py
index 90f187e..03c7981 100644
--- a/app/brm/utils.py
+++ b/app/brm/utils.py
@@ -3,18 +3,18 @@ from __future__ import annotations
 from typing import Any
 
 
-def is_integer(n: Any) -> bool:
+def is_integer(contender: Any) -> bool:
     """
     Determine if a string (or other object type that can be converted automatically) represents an integer.
 
     Thanks to https://note.nkmk.me/en/python-check-int-float/.
 
-    :param n: object to test
+    :param contender: object to test
     :return: true if it's an integer
     """
     try:
-        float(n)
+        float(contender)
     except ValueError:
         return False
     else:
-        return float(n).is_integer()
+        return float(contender).is_integer()
diff --git a/app/portal/group.py b/app/portal/group.py
index 5e7b192..b71c56f 100644
--- a/app/portal/group.py
+++ b/app/portal/group.py
@@ -3,7 +3,7 @@ from datetime import datetime
 from flask import render_template, url_for, flash, redirect, Response, Blueprint
 from flask.typing import ResponseReturnValue
 from flask_wtf import FlaskForm
-from sqlalchemy import exc
+import sqlalchemy
 from wtforms import StringField, BooleanField, SubmitField
 from wtforms.validators import DataRequired
 
@@ -52,8 +52,7 @@ def group_new() -> ResponseReturnValue:
             db.session.commit()
             flash(f"Created new group {group.group_name}.", "success")
             return redirect(url_for("portal.group.group_edit", group_id=group.id))
-        except exc.SQLAlchemyError as e:
-            print(e)
+        except sqlalchemy.exc.SQLAlchemyError:
             flash("Failed to create new group.", "danger")
             return redirect(url_for("portal.group.group_list"))
     return render_template("new.html.j2", section="group", form=form)
@@ -77,7 +76,7 @@ def group_edit(group_id: int) -> ResponseReturnValue:
         try:
             db.session.commit()
             flash("Saved changes to group.", "success")
-        except exc.SQLAlchemyError:
+        except sqlalchemy.exc.SQLAlchemyError:
             flash("An error occurred saving the changes to the group.", "danger")
     return render_template("group.html.j2",
                            section="group",
diff --git a/app/portal/webhook.py b/app/portal/webhook.py
index 2386f9b..d8bb0bb 100644
--- a/app/portal/webhook.py
+++ b/app/portal/webhook.py
@@ -16,10 +16,10 @@ bp = Blueprint("webhook", __name__)
 
 
 @bp.app_template_filter("webhook_format_name")
-def webhook_format_name(s: str) -> str:
-    if s == "telegram":
+def webhook_format_name(format: str) -> str:
+    if format == "telegram":
         return "Telegram"
-    if s == "matrix":
+    if format == "matrix":
         return "Matrix"
     return "Unknown"
 
diff --git a/app/terraform/block_mirror.py b/app/terraform/block_mirror.py
index 165e20d..a62caaa 100644
--- a/app/terraform/block_mirror.py
+++ b/app/terraform/block_mirror.py
@@ -17,7 +17,7 @@ class BlockMirrorAutomation(BaseAutomation):
         """
         Constructor method.
         """
-        self.patterns = list()
+        self.patterns = []
         super().__init__()
 
     def automate(self, full: bool = False) -> Tuple[bool, str]:
@@ -25,7 +25,7 @@ class BlockMirrorAutomation(BaseAutomation):
         logging.debug("Fetch complete")
         self.parse()
         logging.debug("Parse complete")
-        rotated = list()
+        rotated = []
         proxy_urls = active_proxy_urls()
         for pattern in self.patterns:
             blocked_urls = fnmatch.filter(proxy_urls, pattern)
diff --git a/requirements.txt b/requirements.txt
index 444e762..110359e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,6 +4,7 @@ azure-identity
 azure-mgmt-alertsmanagement
 bootstrap-flask
 boto3~=1.21.15
+bs4
 flask-migrate
 flask-sqlalchemy
 flask-wtf