code: def test_sphere_globe():
      globe = ccrs.Globe(semimajor_axis=1000, ellipse=None)
      gnom = ccrs.Gnomonic(globe=globe)
      other_args = {"a=1000", "lon_0=0.0", "lat_0=0.0"}
      check_proj_params("gnom", gnom, other_args)
  
      assert_almost_equal(gnom.x_limits, [-5e7, 5e7])
      assert_almost_equal(gnom.y_limits, [-5e7, 5e7])
  
file_path: cartopy/lib/cartopy/tests/crs/test_gnomonic.py
imports: import numpy
  from numpy.testing import assert_almost_equal
  import pytest
  import cartopy.crs
  from .helpers import check_proj_params
label_desc: Use image node_id 2 for calling a global function with example usage: test_sphere_globe() without return types