main block in geoloc.py fails with ValueError

[gerritholl]

Executing geoloc.py as a script fails with ValueError:

$ python geoloc.py
Traceback (most recent call last):
  File "/home/gholl/checkouts/pyorbital/pyorbital/geoloc.py", line 288, in <module>
    pixels_pos = compute_pixels((noaa18_tle1, noaa18_tle2), sgeom, s_times)
  File "/home/gholl/checkouts/pyorbital/pyorbital/geoloc.py", line 206, in compute_pixels
    vectors = sgeom.vectors(pos, vel, *rpy)
  File "/home/gholl/checkouts/pyorbital/pyorbital/geoloc.py", line 117, in vectors
    x_rotated = qrotate(nadir, x, self.fovs[0] + roll)
  File "/home/gholl/checkouts/pyorbital/pyorbital/geoloc.py", line 176, in qrotate
    p__ = n_axis * sin_angle
          ~~~~~~~^~~~~~~~~~~
ValueError: operands could not be broadcast together with shapes (3,2048) (1,2)