code: def get_mapbox_token():
      global MAPBOX_TOKEN
  
      return MAPBOX_TOKEN
  
imports: import copy
  import numpy
  import pandas
  import dtale.global_state
  import dtale.pandas_util
  from dtale.column_analysis import handle_cleaners
  from dtale.constants import CHART_JOINER_CHAR
  from dtale.query import build_col_key, run_query
  from dtale.utils import ChartBuildingError, build_formatters, classify_type, find_dtype, find_dtype_formatter, flatten_lists, get_dtypes, json_int, make_list, triple_quote
label_desc: Use image node_id 1 for calling a global function with example usage: get_mapbox_token() and returns: MAPBOX_TOKEN