From c67dce911e513b617adf1329fcd168ae96385fd5 Mon Sep 17 00:00:00 2001
From: Mariusz Felisiak <felisiak.mariusz@gmail.com>
Date: Mon, 25 Sep 2017 15:18:29 +0200
Subject: [PATCH] [2.0.x] Merged startswith() calls.

Backport of 00709d704ee75ace99c4a81aa60e029caeeac387 from master
---
 django/template/loader_tags.py | 2 +-
 django/urls/resolvers.py       | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/django/template/loader_tags.py b/django/template/loader_tags.py
index 6cc8dfc8e3..88c1757b79 100644
--- a/django/template/loader_tags.py
+++ b/django/template/loader_tags.py
@@ -246,7 +246,7 @@ def construct_relative_path(current_template_name, relative_name):
     Convert a relative path (starting with './' or '../') to the full template
     name based on the current_template_name.
     """
-    if not any(relative_name.startswith(x) for x in ["'./", "'../", '"./', '"../']):
+    if not relative_name.startswith(("'./", "'../", '"./', '"../')):
         # relative_name is a variable or a literal that doesn't contain a
         # relative path.
         return relative_name
diff --git a/django/urls/resolvers.py b/django/urls/resolvers.py
index 9ee96d38d1..4cd25ff075 100644
--- a/django/urls/resolvers.py
+++ b/django/urls/resolvers.py
@@ -119,7 +119,7 @@ class CheckURLMixin:
             # Skip check as it can be useful to start a URL pattern with a slash
             # when APPEND_SLASH=False.
             return []
-        if any(regex_pattern.startswith(x) for x in ('/', '^/', '^\/')) and not regex_pattern.endswith('/'):
+        if regex_pattern.startswith(('/', '^/', '^\/')) and not regex_pattern.endswith('/'):
             warning = Warning(
                 "Your URL pattern {} has a route beginning with a '/'. Remove this "
                 "slash as it is unnecessary. If this pattern is targeted in an "