[Flutter] I'm trying to use Firebase to auth by using email/password and found this error

I/FirebaseAuth(11262): Logging in as test@gmail.com with empty reCAPTCHA token
W/System (11262): Ignoring header X-Firebase-Locale because its value was null.
W/System (11262): Ignoring header X-Firebase-Locale because its value was null.
D/FirebaseAuth(11262): Notifying id token listeners about user ( 9vxnYzLISWcna1UZUFhpg7SbdVI3 ).


and when I import my auth file, it don't use it, My import in page:

import 'package:firebase_auth/firebase_auth.dart';
import 'package:flutter/material.dart';
import 'email_login_test_page_util/login_textfield.dart';
import 'widget_tree.dart';
> import 'auth.dart';


I try to fix it by try to track the error code but my code isn't run.

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