code: def getKernel():
      return gpflow.kernels.SquaredExponential()
  
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 4 for calling a global function with example usage: getKernel() and returns: gpflow