Fixed #23890 -- Silenced numpy DeprecationWarnings in template tests.

tests/template_tests/tests.py

@@ -604,6 +604,13 @@ class TemplateTests(TestCase):
                                             # Ignore deprecations of old style unordered_list
                                             # and removetags.
                                             warnings.filterwarnings("ignore", category=RemovedInDjango20Warning, module="django.template.defaultfilters")
+                                            # Ignore numpy deprecation warnings (#23890)
+                                            warnings.filterwarnings(
+                                                "ignore",
+                                                "Using a non-integer number instead of an "
+                                                "integer will result in an error in the future",
+                                                DeprecationWarning
+                                            )
                                             output = self.render(test_template, vals)
                                     except ShouldNotExecuteException:
                                         failures.append("Template test (Cached='%s', TEMPLATE_STRING_IF_INVALID='%s', TEMPLATE_DEBUG=%s): %s -- FAILED. Template rendering invoked method that shouldn't have been invoked." % (is_cached, invalid_str, template_debug, name))