make it cuter

app/app.py

@@ -57,13 +57,13 @@ def login():
         password = encrypt(request.form['password'])
 
         user = db.execute(text("SELECT * FROM users WHERE username = :username AND password = :password"),
-                          {"username": username, "password": password}).fetchone()        
+                          {"username": username, "password": password}).fetchone()
 
         if user:
             session['user_id'] = user.id
             return redirect('/')
         else:
-            return "Invalid credentials!"
+            return "invalid credentials 😾"
     return render_template('login.j2', instanceLocation=instanceLocation, instanceBranding=instanceBranding)
 
 @app.route('/auth/register/', methods=['GET', 'POST'])
@@ -77,7 +77,7 @@ def register():
         existing_user = db.execute(text("SELECT * FROM users WHERE username = :username"),
                                    {"username": username}).fetchone()
         if existing_user:
-            return "User already exists!"
+            return "that user already exists 😾"
 
         # insert new user
         db.execute(text("INSERT INTO users (username, password) VALUES (:username, :password)"),