Do you see the csv file in the WP media? If so can you open it?
Is WPCRON enabled. See documentation
I just uploaded the csv file you included without a hitch. So there is something in your WP configuration or host that may be stopping it. Excerpt from our documentation:
“If you are on a shared hosting plan, especially a lower-end GoDaddy hosting plan, consider upgrading your hosting. You will likely have issues with completing the entire file import without experiencing a timeout.”
Since you had included lat/long the geocoding was skipped. The file loaded for me