From 5f425e6fd848466331acf49ee2c9c38954b7899e Mon Sep 17 00:00:00 2001
From: sterliakov <terlya.stas@gmail.com>
Date: Wed, 16 Feb 2022 14:08:14 +0300
Subject: [PATCH] Remove  attribute for html5 compliance

---
 phonenumber_field/widgets.py | 2 ++
 tests/test_widgets.py        | 6 ++++++
 2 files changed, 8 insertions(+)

diff --git a/phonenumber_field/widgets.py b/phonenumber_field/widgets.py
index 30368624..44dc23f4 100644
--- a/phonenumber_field/widgets.py
+++ b/phonenumber_field/widgets.py
@@ -43,6 +43,8 @@ def __init__(self, initial=None):
         super().__init__(choices=sorted(choices, key=lambda item: item[1]))
 
     def get_context(self, name, value, attrs):
+        attrs = (attrs or {}).copy()
+        attrs.pop("maxlength", None)
         return super().get_context(name, value or self.initial, attrs)
 
 
diff --git a/tests/test_widgets.py b/tests/test_widgets.py
index b627e734..b5367ba1 100644
--- a/tests/test_widgets.py
+++ b/tests/test_widgets.py
@@ -33,6 +33,12 @@ def test_after_translation_deactivate_all(self):
             '<select name="_0"><option value="" selected>---------</option>', rendered
         )
 
+    def test_maxlength_not_in_select(self):
+        # Regression test for #490
+        widget = PhoneNumberPrefixWidget()
+        html = widget.render(name="widget", value=None, attrs={"maxlength": 32})
+        self.assertIn('<select name="widget_0">', html)
+
 
 class PhoneNumberInternationalFallbackWidgetTest(SimpleTestCase):
     def test_fallback_widget_switches_between_national_and_international(self):