AP_Declination: Fixes ups for pyigrf

libraries/AP_Declination/generate/generate.py

@@ -3,7 +3,7 @@
 generate field tables from IGRF12
 '''
 
-import pyigrf12 as igrf
+import igrf12 as igrf
 import numpy as np
 import datetime
 from pathlib import Path
@@ -54,7 +54,7 @@ if __name__ == '__main__':
 
     for i,lat in enumerate(lats):
         for j,lon in enumerate(lons):
-            mag = igrf.igrf(date=date, glat=lat, glon=lon, alt=0., isv=0, itype=1)
+            mag = igrf.igrf(date, glat=lat, glon=lon, alt_km=0., isv=0, itype=1)
             intensity_table[i][j] = mag.total/1e5
             inclination_table[i][j] = mag.incl
             declination_table[i][j] = mag.decl