def validate(self):
rv = Form.validate(self)
num_errors = 0
if not rv:
num_errors = num_errors + 1
if not User.is_email_available(self.email.data):
self.email.errors.append('This email has been registered. Try a different one')
num_errors = num_errors + 1
if not User.is_username_available(self.username.data):
self.username.errors.append('This username has been registered. Try a different one')
num_errors = num_errors + 1
if num_errors > 0:
return False
return True
