code: def ts():
      return time.ctime(time.time())
  
file_path: umap/umap/utils.py
imports: import time
  from warnings import warn
  import numpy
  import numba
  from sklearn.utils.validation import check_is_fitted
  import scipy.sparse
label_desc: Use image node_id 6 for calling a global function with example usage: ts() and returns: time