code: def parse_query():
      return np.loadtxt(
          FLAGS.query_file, dtype=np.float32, delimiter=","
      )
  
file_path: euler/knn/knn.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import pickle
  import faiss
  import numpy
  from absl import app
  from absl import flags
label_desc: Use image node_id 2 for calling a global function with example usage: parse_query() and returns: np