def prepare_content_length(self, body):
        """Prepare Content-Length header based on request method and body"""
        if body is not None:
            length = super_len(body)
            if length:
                # If length exists, set it. Otherwise, we fallback
                # to Transfer-Encoding: chunked.
                self.headers["Content-Length"] = builtin_str(length)
        elif (
            self.method not in ("GET", "HEAD")
            and self.headers.get("Content-Length") is None
        ):
            # Set Content-Length to 0 for methods that can have a body
            # but don't provide one. (i.e. not GET or HEAD)
            self.headers["Content-Length"] = "0"
Prepare Content-Length header based on request method and body
Solutions/CyberArkAudit/Data Connectors/.python_packages/lib/site-packages/requests/models.py