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# Source code for astropy.visualization.wcsaxes

    # Licensed under a 3-clause BSD style license - see LICENSE.rst

    # The following few lines skip this module when running tests if matplotlib is
    # not available (and will have no impact otherwise)

    try:
        import pytest

        pytest.importorskip("matplotlib")
        del pytest
    except ImportError:
        pass

    from astropy import config as _config

    from .coordinate_helpers import CoordinateHelper
    from .coordinates_map import CoordinatesMap
    from .core import *
    from .helpers import *
    from .patches import *
    from .wcsapi import custom_ucd_coord_meta_mapping

    class Conf(_config.ConfigNamespace):
        """
        Configuration parameters for `astropy.visualization.wcsaxes`.
        """

        coordinate_range_samples = _config.ConfigItem(
            50,
            "The number of samples along each image axis when determining "
            "the range of coordinates in a plot.",
        )

        frame_boundary_samples = _config.ConfigItem(
            1000,
            "How many points to sample along the axes when determining tick locations.",
        )

        grid_samples = _config.ConfigItem(
            1000, "How many points to sample along grid lines."
        )

        contour_grid_samples = _config.ConfigItem(
            200, "The grid size to use when drawing a grid using contours"
        )

    conf = Conf()