class_docstr: ASCII reader for VIIRS Active Fires.
class_docstr_tok: ["ASCII","reader","for","VIIRS","Active","Fires","."]
docstr: Check if variable is in current file.
docstr_tok: ["Check","if","variable","is","in","current","file","."]
code: def __contains__(self, item):
      """Check if variable is in current file."""
      return item in self.file_content
  
file_path: satpy/satpy/readers/viirs_edr_active_fires.py
imports: import dask.dataframe
  import xarray
  from satpy.readers.file_handlers import BaseFileHandler
  from satpy.readers.netcdf_utils import NetCDF4FileHandler
label_desc: Use image node_id 6 for calling the VIIRSActiveFiresTextFileHandler obj's underlying member method code with example usage: obj.__contains__(item) and returns: unknown