Error When Importing Robot Framework Result to XRAY

Question

Hi i want to import my report robot framework to Xray using python requests, but i get some error like this.

response status : 400
response body : b'{"error":"Result is not format Robot Framework"}'

this is my script.

params = (('projectKey', 'TQAT'), ('fixVersion', '1.0'), ('testEnvironments', 'staging'))
ROOT_DIR = os.path.abspath(os.curdir)
abs_file = os.path.join(ROOT_DIR, '../../AutomationReport', 'output.xml')
report_content = open(abs_file, "rb")

headers = {'Authorization': 'Bearer ' + auth_token, 'Content-Type': 'application/xml'}
response = requests.post(xray_cloud_base_url, params=params, data=report_content,
                         headers=headers)

and anw for running my RBF Test, i'm using Pabot. any suggestion?

Thank you in advance.