Just using the Requests lib you can do it:
def send_photo(chat_id, file_opened): method = "sendPhoto" params = {'chat_id': chat_id} files = {'photo': file_opened} resp = requests.post(api_url + method, params, files=files) return resp send_photo(chat_id, open(file_path, 'rb'))

Just using the ***Requests*** lib you can do it:
def send_photo(chat_id, file_opened): method = "sendPhoto" params = {'chat_id': chat_id} files = {'photo': file_opened} resp = requests.post(api_url + method, params, files=files) return resp
send_photo(chat_id, open(file_path, 'rb'))