[google-appengine] i have had problem to deploy my python app

[Luis Guillermo Barrios P]

      this is my code:

 import pymysql
       
        self.host = settings.DATABASES['default']['HOST']
        self.user = settings.DATABASES['default']['USER']
        self.password = settings.DATABASES['default']['PASSWORD']
        self.database = settings.DATABASES['default']['NAME']
        try:
            miConexion = pymysql.connect(host=self.host, user=self.user,  
password=self.password, db=self.database)
            
        except (pymysql.err.OperationalError, pymysql.err.InternalError) as e:
            print("Ocurrió un error al conectar: ", e)
        self.cur = miConexion.cursor()

    def query(self,sql):
        self.cur.execute( sql )
        results = self.cur.fetchall()
        return results

    def update(self,sql):
        self.cur.execute( sql )

and this is the error:

textPayload: "Ocurrió un error al conectar: (2003, "Can't connect to MySQL 
server on '/cloudsql/biohomecenter:us-east1:bhc-mysql' ([Errno -3] 
Temporary failure in name resolution)")"
insertId: "60abc8330009350d898bef30"
resource: {
type: "gae_app"
labels: {
zone: "us-east1-5"
module_id: "default"
project_id: "biohomecenter"
version_id: "20210524t084045"
}
}
timestamp: "2021-05-24T15:37:23.603405Z"
labels: {
clone_id: 
"00c61b117ce3c539cd26b2b77c9161849e98247e2f40d2ced01f3d72a2c4e67da30c54c39dfba614b62178b84ffc041f4bb1dc3ca5e1282323e2f29a5d28e935dd"
}
logName: "projects/biohomecenter/logs/stdout"
receiveTimestamp: "2021-05-24T15:37:23.432723577Z"
}

and this error:

textPayload: "2021-05-23T17:16:44.150800Z 80 [Note] Aborted connection 80 
to db: 'biosysdb' user: 'biohuser' host: '72.239.178.67' (Got an error 
reading communication packets)"
insertId: 
"s=4649ab2241d74a9e84ce5032078e0a06;i=2f3b;b=ab3f337ce25a46029f56253ddbb79bd4;m=1d6d9dde;t=5c3027504c4d1;x=f821a338d0290ab-0-0@a1"
resource: {
type: "cloudsql_database"
labels: {
region: "us-east1"
project_id: "biohomecenter"
database_id: "biohomecenter:bhc-mysql"
}
}
timestamp: "2021-05-23T17:16:44.150993Z"
severity: "INFO"
logName: "projects/biohomecenter/logs/cloudsql.googleapis.com%2Fmysql.err"
receiveTimestamp: "2021-05-23T17:16:44.780950007Z"
}

please helppp


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