remove duplicated code

files/helpers/get.py

@@ -363,13 +363,7 @@ def get_profile_picture(identifier:Union[int, str]) -> str:
 	return x.profile_url if x else 'not_found'
 
 def get_error():
-	if request.referrer and request.referrer.split('?')[0] == request.base_url:
-		return request.values.get("error")
-	else:
-		return None
+	return request.values.get("error")
 
 def get_msg():
-	if request.referrer and request.referrer.split('?')[0] == request.base_url:
-		return request.values.get("msg")
-	else:
-		return None
+	return request.values.get("msg")

files/templates/util/macros.html

@@ -185,6 +185,7 @@
 {% endmacro %}
 
 {% macro alert(msg, error=false) %}
+{% if request.referrer and request.referrer.split('?')[0] == request.base_url %}
 <div class="alert {% if error %}alert-danger{% else %}alert-success{% endif %} alert-dismissible fade show mb-3 mt-4">
 	<i class="fas {% if error %}fa-exclamation-circle{% else %}fa-check-circle{% endif %} my-auto"></i>
 	<span>{{msg}}</span>
@@ -192,4 +193,5 @@
 		<span><i class="far fa-times"></i></span>
 	</button>
 </div>
+{% endif %}
 {% endmacro %}