code: def array_to_int_csv(array_data):
      """Converts all elements in a numerical array to a comma-separated string.
  
      Args:
        array_data: Numerical array to convert.
  
      Returns:
        String containing array values as integers, separated by commas.
      """
      flattened_array = array_data.flatten()
      array_as_strings = [
          item.astype(int).astype(str) for item in flattened_array
      ]
      return ",".join(array_as_strings)
  
file_path: tensorflow-upstream/tensorflow/lite/tools/convert_image_to_csv.py
imports: import sys
  from absl import app
  from absl import flags
  from tensorflow.python.client import session
  from tensorflow.python.framework import ops
  from tensorflow.python.framework.errors_impl import NotFoundError
  from tensorflow.python.ops import image_ops
  from tensorflow.python.ops import io_ops
label_desc: Use image node_id 2 for calling a global function with example usage: array_to_int_csv(array_data) and returns: str