code: def readCsvFile(fileName):
      return np.loadtxt(fileName).reshape(-1, 1)
  
file_path: GPflow/doc/sphinx/notebooks/theory/FITCvsVFE.py
imports: import numpy
  import tensorflow
  import gpflow
  from gpflow.ci_utils import reduce_in_tests
label_desc: Use image node_id 1 for calling a global function with example usage: readCsvFile(fileName) and returns: np