diff --git a/app/terraform/list/http_post.py b/app/terraform/list/http_post.py
index 4b0d12f..778de13 100644
--- a/app/terraform/list/http_post.py
+++ b/app/terraform/list/http_post.py
@@ -1,3 +1,5 @@
+from typing import List
+
 from app.terraform.list import ListAutomation
 
 
@@ -6,7 +8,7 @@ class ListHttpPostAutomation(ListAutomation):
     description = "Update mirror lists by HTTP POST"
     provider = "http_post"
 
-    template_parameters = []
+    template_parameters: List[str] = []
 
     template = """
     terraform {
@@ -19,7 +21,7 @@ class ListHttpPostAutomation(ListAutomation):
     }
 
     {% for list in lists %}
-    
+
     data "http" "post_{{ list.id }}" {
       url                 = "{{ list.container }}"
       method              = "POST"