code: def _find_data_section(fstream):
      r"""
      Reads (lines) from the stream until the \data\ header is found.
      """
      for line in fstream:
          if line[:6] == "\\data\\":
              return
      # If we get here, no data header found
      raise ValueError("Not a properly formatted ARPA file")
  
file_path: speechbrain/speechbrain/lm/arpa.py
imports: import collections
  import logging
label_desc: Use image node_id 2 for calling a global function with example usage: _find_data_section(fstream) without return types