Revert "Check that lon normalize values are actually proper longitudes"

This reverts commit 86bb4f5.

Author: Chahan Kropf

climada/hazard/test/test_tc_tracks.py

@@ -967,9 +967,9 @@ def test_interp_track_pass(self):
     def test_interp_track_lonnorm_pass(self):
         """Interpolate track with non-normalized longitude to min_time_step."""
         tc_track = tc.TCTracks.from_processed_ibtracs_csv(TEST_TRACK)
-        tc_track.data[0]["lon"].values[1] += 180
+        tc_track.data[0]["lon"].values[1] += 360
         tc_track.equal_timestep(time_step_h=1)
-        np.testing.assert_array_less(tc_track.data[0]["lon"].values, 180)
+        np.testing.assert_array_less(tc_track.data[0]["lon"].values, 0)
 
     def test_interp_track_redundancy_pass(self):
         """Interpolate tracks that are already interpolated."""

climada/util/coordinates.py

@@ -232,8 +232,6 @@ def lon_normalize(lon, center=0.0):
         Normalized longitudinal coordinates. Since the input `lon` is modified in place (!), the
         returned array is the same Python object (instead of a copy).
     """
-    if len(lon) > 0:
-        check_if_geo_coords([0], lon)
     if center is None:
         center = 0.5 * sum(lon_bounds(lon))
     bounds = (center - 180, center + 180)