code: def issue12178(escapechar=ESCAPECHAR):
      with io.StringIO(newline="") as stream:
          csv.writer(stream, escapechar=escapechar).writerow(
              [escapechar]
          )
          line = stream.getvalue()
      return (escapechar * 2) not in line
  
imports: import io
  import csv
  import warnings
label_desc: Use image node_id 1 for calling a global function with example usage: issue12178(escapechar) and returns: unknown