Upload an object to this bucket.

        :param str object_name: The target name of the object.
        :param file file_obj: The file (or file-like object) to upload.
        :param str content_type: The content type associated to this object.
                                 This is mainly useful when accessing an object
                                 directly via a web browser. If unspecified, a
                                 content type *may* be automatically derived
                                 from the specified ``file_obj``.

def upload_object(self, object_name, file_obj):
        """
        Upload an object to this bucket.

        :param str object_name: The target name of the object.
        :param file file_obj: The file (or file-like object) to upload.
        :param str content_type: The content type associated to this object.
                                 This is mainly useful when accessing an object
                                 directly via a web browser. If unspecified, a
                                 content type *may* be automatically derived
                                 from the specified ``file_obj``.
        """
        return self._client.upload_object(
            self._instance, self.name, object_name, file_obj)