I tried to use the polar alignment tool with the mount and ccd simulator, on both OS X and RPi and it keeps getting stuck:

2017-08-29T17:14:57 Error: Failed to load WCS data in file: No world coordinate systems found.
2017-08-29T17:14:57 WCS data processing is complete.
2017-08-29T17:14:56 Please wait while WCS data is processed...
2017-08-29T17:14:56 Solution coordinates: RA (22h 56m 19s) DEC ( 89° 19' 52") Telescope Coordinates: RA (22h 54m 39s) DEC ( 89° 19' 59")
2017-08-29T17:14:56 Solver completed in 39 seconds.
2017-08-29T17:14:19 Upload complete. Waiting for astrometry.net solver to complete...
2017-08-29T17:14:17 Uploading file...
2017-08-29T17:14:17 Image received.
2017-08-29T17:14:12 Capturing image...
2017-08-29T17:14:12 Mount second rotation is complete.
2017-08-29T17:14:08 Please wait until mount completes rotating to RA (22h 54m 39s) DE ( 89° 19' 59")
2017-08-29T17:14:08 Solution coordinates: RA (00h 56m 15s) DEC ( 89° 19' 43") Telescope Coordinates: RA (00h 54m 39s) DEC ( 89° 19' 59")
2017-08-29T17:14:08 Solver completed in 35 seconds.
2017-08-29T17:13:35 Upload complete. Waiting for astrometry.net solver to complete...
2017-08-29T17:13:33 Uploading file...
2017-08-29T17:13:33 Image received.
2017-08-29T17:13:28 Capturing image...
2017-08-29T17:13:28 Mount first rotation is complete.
2017-08-29T17:13:24 Please wait until mount completes rotating to RA (00h 54m 39s) DE ( 89° 19' 59")
2017-08-29T17:13:21 WCS data processing is complete.
2017-08-29T17:13:20 Please wait while WCS data is processed...
2017-08-29T17:13:20 Solution coordinates: RA (02h 55m 40s) DEC ( 89° 19' 39") Telescope Coordinates: RA (02h 54m 39s) DEC ( 89° 19' 59")
2017-08-29T17:13:20 Solver completed in 42 seconds.
2017-08-29T17:12:39 Upload complete. Waiting for astrometry.net solver to complete...
2017-08-29T17:12:38 Uploading file...
2017-08-29T17:12:38 Image received.
2017-08-29T17:12:33 Capturing image...

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