code: def _extract_type(type, typemap):
      rval = typemap.get(type)
  
      if rval is None:
          return None
  
      return rval
  
file_path: perspective/python/perspective/perspective/table/_utils.py
imports: import re
  from datetime import date, datetime
  from functools import partial
  from .libpsppy import t_dtype
label_desc: Use image node_id 1 for calling a global function with example usage: _extract_type(type, typemap) and returns: rval, None