CondaHTTPError: HTTP 502 BAD GATEWAY for url <https://repo.anaconda.com/pkgs/r/noarch/current_repodata.json> Elapsed: 00:00.260446 CF-RAY: 7fe66ad84d312cbd-DFW A remote server error occurred when trying to retrieve this URL. A 500-type error (e.g. 500, 501, 502, 503, etc.) indicates the server failed to fulfill a valid request. The problem may be spurious, and will resolve itself if you try your request again. If the problem persists, consider notifying the maintainer of the remote server.