code: def generate_batch(batch_size):
      """Draw training data from a Gaussian distribution, where the mean  is a conditional input."""
      means = 10 * np.random.random([batch_size, 1])
      values = np.random.normal(means, scale=2.0)
      return means, values
  
file_path: deepchem/deepchem/models/tests/test_gan.py
imports: import deepchem
  import numpy
  import pytest
  import tempfile
  from flaky import flaky
label_desc: Use image node_id 1 for calling a global function with example usage: generate_batch(batch_size) and returns: means,  values