Updating spherical mash hashmap creation

Since #2155 is now merged

Author: erikvansebille

parcels/spatialhash.py

@@ -138,8 +138,7 @@ def _initialize_face_hash_table(self):
             nface = (self._source_grid.xdim) * (self._source_grid.ydim)
             for eid in range(nface):
                 for j in range(yi1[eid], yi2[eid] + 1):
-                    if abs(xi1[eid] - xi2[eid]) > 225:
-                        # TODO make sure this is only called when mesh_type is spherical; but requires #2155
+                    if self._source_grid.mesh == "spherical" and abs(xi1[eid] - xi2[eid]) > 225:
                         pass
                     elif xi1[eid] <= xi2[eid]:
                         # Normal case, no wrap