[16.0][IMP] Improvements about conciseness in code structure

website_catch_500/models/ir_http.py

@@ -9,7 +9,7 @@ class HttpInherit(models.AbstractModel):
 
     @classmethod
     def _get_error_html(cls, env, code, values):
-        if code == 500 or code == "page_500":
+        if code == 500:
             # if code == 500 or code == "page_500"
             website = request.website
             if website and website.catch_500_errors: