diff --git a/autoreply_editor/main.py b/autoreply_editor/main.py
index 21eaf73..167914a 100644
--- a/autoreply_editor/main.py
+++ b/autoreply_editor/main.py
@@ -51,7 +51,9 @@ def qmail_status(user):
 
 def check_user(user):
     """Check if user exists"""
-    fulluser = [item for item in app.config.get("USERS") if item[1].split('@')[0] == user]
+    fulluser = [
+        item for item in app.config.get("USERS") if item[1].split("@")[0] == user
+    ]
     if not fulluser:
         return False
     else:
@@ -123,6 +125,7 @@ def index():
         users=app.config.get("USERS"),
     )
 
+
 @app.route("/user/<user>")
 def user_status(user):
     """Status for specific user"""
@@ -130,9 +133,7 @@ def user_status(user):
     if not check_user(user):
         abort(404)
 
-    with open(
-        get_messagefile(user), "r", encoding="utf-8"
-    ) as messagefile:
+    with open(get_messagefile(user), "r", encoding="utf-8") as messagefile:
         message = messagefile.read()
 
     return render_template(
@@ -151,9 +152,7 @@ def user_update(user):
 
     if request.form["action"] == "message":
         input_message = request.form["message"]
-        with open(
-            get_messagefile(user), "w", encoding="utf-8"
-        ) as messagefile:
+        with open(get_messagefile(user), "w", encoding="utf-8") as messagefile:
             messagefile.write(str(input_message))
             result = "Success: The autoreply message has been updated!"
 
@@ -182,9 +181,12 @@ def user_update(user):
     try:
         return render_template("update.html", user=user, result=result)
     except UnboundLocalError:
-        return render_template("update.html", user=user, result="Something went terribly wrong!")
+        return render_template(
+            "update.html", user=user, result="Something went terribly wrong!"
+        )
 
 
 @app.errorhandler(404)
-def page_not_found(e):
-    return render_template('error.html', error=e), 404
+def page_not_found(error):
+    """Error for 404"""
+    return render_template("error.html", error=error), 404