AttributeError: type object 'BaseModel' has no attribute 'Meta'

import peewee as pw
class BaseModel(pw.Model):
    class Meta:
        database = pw.Proxy()

    @classmethod
    def configure_proxy(cls, database: pw.Database):
        cls.Meta.database.initialize(database)

import peewee as pw
class BaseModel(pw.Model):
    class MyMeta:
        database = pw.Proxy()

    @classmethod
    def configure_proxy(cls, database: pw.Database):
        cls.MyMeta.database.initialize(database)

class BaseModel(pw.Model):
    class Meta:
        database = pw.Proxy()

    @classmethod
    def configure_proxy(cls, database: pw.Database):
        cls._meta.database.initialize(database)