code: def sanitize(x):
      return np.ascontiguousarray(x, dtype="float32")
  
file_path: faiss/benchs/bench_all_ivf/datasets_oss.py
imports: import time
  import numpy
  import faiss
  from faiss.contrib import datasets
label_desc: Use image node_id 1 for calling a global function with example usage: sanitize(x) and returns: np