code: def _project_latlon_to_wgs84(lat, lon):
      """
      Projects lat and lon to WGS84, used to get regular hexagons on a mapbox map
      """
      x = lon * np.pi / 180
      y = np.arctanh(np.sin(lat * np.pi / 180))
      return x, y
  
file_path: catboost/contrib/python/plotly/py3/plotly/figure_factory/_hexbin_mapbox.py
imports: from plotly.express._core import build_dataframe
  from plotly.express._doc import make_docstring
  from plotly.express._chart_types import choropleth_mapbox, scatter_mapbox
  import numpy
  import pandas
label_desc: Use image node_id 1 for calling a global function with example usage: _project_latlon_to_wgs84(lat, lon) and returns: x,  y