code: def task_decorate(
      self,
      step_func,
      flow,
      graph,
      retry_count,
      max_user_code_retries,
      ubf_context,
  ):
      if ubf_context == UBF_CONTROL:
          from functools import partial
  
          return partial(
              self.control_task_step_func, flow, graph, retry_count
          )
      else:
          return step_func
  
imports: import os
  import subprocess
  import sys
  from metaflow.cli_args import cli_args
  from metaflow.decorators import StepDecorator
  from metaflow.exception import MetaflowException
  from metaflow.unbounded_foreach import UnboundedForeachInput, UBF_CONTROL, UBF_TASK
  from metaflow.util import to_unicode
label_desc: Use image node_id 4 for calling the InternalTestUnboundedForeachDecorator obj's underlying member method code with example usage: obj.task_decorate(step_func, flow, graph, retry_count, max_user_code_retries, ubf_context) and returns: partial, step_func