def validate_new_name(form, field):
"""Validate that the new account name isn't taken"""
if Account.count(Q.name == field.data) > 0:
raise ValidationError('Account name already taken.')
def validate_name(form, field):
"""Validate that the account name exists"""
if Account.count(Q.name == field.data) == 0:
raise ValidationError('Account not found.')