code: def load_empty_plugin():
      try:
          plugin_manager.load_library(
              test_bin_dir + "/libcustomdummyplugin.so"
          )
      except RuntimeError:
          # in conda "libcustomdummyplugin" lands inside lib/ dir
          plugin_manager.load_library("libcustomdummyplugin.so")
  
imports: from nvidia.dali.pipeline import Pipeline
  import nvidia.dali
  import nvidia.dali.ops
  import nvidia.dali.plugin_manager
  import unittest
  import os
  import numpy
  import tempfile
label_desc: Use image node_id 1 for calling a global function with example usage: load_empty_plugin() without return types