tableview misses data

[Reimar Bauer]

I tried to add some new waypoint.

table view shows white fields of those entries

[Reimar Bauer]

csv export of the data looks good

[Reimar Bauer]

on anaconda2 with also a lot different library versions it did not occure

[Reimar Bauer]

Converted numpy floats to python floats on mouse change of waypoint coordinates

QT does not display numpy float objects in table views. In python3 "round" of a numpy float returns the same type whereas in python2, a python float was returned.

Fixes issue #332

→ <<cset bfb402f6b8b7>>