[5.2.x] Fixed #36903 -- Fixed further NameErrors when inspecting functions with deferred annotations.

Provide a wrapper for safe introspection of user functions on Python 3.14+.

Follow-up to 601914722956cc41f1f2c53972d669ddee6ffc04.
Backport of 56ed37e17e5b1a509aa68a0c797dcff34fcc1366 from main.

1 files changed, 3 insertions, 3 deletions

diff --git a/django/template/base.py b/django/template/base.py
index 5a0941564d..80ccd0d423 100644
--- a/django/template/base.py
+++ b/django/template/base.py
@@ -58,7 +58,7 @@ from enum import Enum
 from django.template.context import BaseContext
 from django.utils.formats import localize
 from django.utils.html import conditional_escape
-from django.utils.inspect import lazy_annotations
+from django.utils.inspect import lazy_annotations, signature
 from django.utils.regex_helper import _lazy_re_compile
 from django.utils.safestring import SafeData, SafeString, mark_safe
 from django.utils.text import get_text_list, smart_split, unescape_string_literal
@@ -927,12 +927,12 @@ class Variable:
                             current = current()
                         except TypeError:
                             try:
-                                signature = inspect.signature(current)
+                                current_signature = signature(current)
                             except ValueError:  # No signature found.
                                 current = context.template.engine.string_if_invalid
                             else:
                                 try:
-                                    signature.bind()
+                                    current_signature.bind()
                                 except TypeError:  # Arguments *were* required.
                                     # Invalid method call.
                                     current = context.template.engine.string_if_invalid