Memory error while uploading large file using python

Question

When i Upload file more than 3 gb it returns Memory error. How to upload this in chunk?

def anonfileupload(file):
    upload_url = 'https://api.anonfiles.com/upload'
    formdata = {
    'file': open(file, 'rb'),
}
    resp = requests.post(upload_url, files=formdata).json()
    if resp["status"]:
        resp_json = {
            "status": resp['status'],
            "url_short": resp["data"]["file"]["url"]["short"],
            "url_full": resp["data"]["file"]["url"]["full"],
            "metadata": resp["data"]["file"]["metadata"]
        }
        print(resp_json['url_short'])
    elif resp["error"]:
        print(resp["error"])
    else:
        print (resp["data"]["file"]["url"]["short"])