code: def dechunk(chunks):
      "flatten chunks into a single list"
      seq = []
      for chunk in chunks:
          seq.extend(chunk)
      return seq
  
file_path: arrow/cpp/build-support/lintutils.py
imports: import multiprocessing
  import os
  from fnmatch import fnmatch
  from subprocess import Popen
label_desc: Use image node_id 2 for calling a global function with example usage: dechunk(chunks) and returns: seq