const updateMailTemplate = async (templateId, updateData, accessToken) => {
  const response = await fetch(`https://api.weir.ai/mail/template/${templateId}`, {
    method: 'PUT',
    headers: {
      'Authorization': `Bearer ${accessToken}`,
      'Content-Type': 'application/json'
    },
    body: JSON.stringify(updateData)
  });
  if (!response.ok) throw new Error(`HTTP error! status: ${response.status}`);
  return await response.json();
};

import requests

def update_mail_template(template_id, update_data, access_token):
    response = requests.put(
        f'https://api.weir.ai/mail/template/{template_id}',
        headers={
            'Authorization': f'Bearer {access_token}',
            'Content-Type': 'application/json'
        },
        json=update_data
    )
    response.raise_for_status()
    return response.json()