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