class_docstr: Visualize the debug information.
code: def profiler(self):
      if not self._time_profiler:
          w_msg = "Please set `profiler` to `True` when debug, there is nothing to report."
          engine_log.warning(w_msg)
          return None
      if not self._profiler:
          self._profiler = PerformanceProfiler(
              self._time_profiler, self._nodes
          )
  
      return self._profiler
  
imports: import json
  from typing import Union, List, Dict, Any
  from towhee.runtime.time_profiler import TimeProfiler
  from towhee.tools.profilers import PerformanceProfiler
  from towhee.datacollection import DataCollection
  from towhee.utils.lazy_import import LazyImport
  from towhee.utils.log import engine_log
  from towhee.utils.serializer import TritonSerializer, TritonParser
label_desc: Use image node_id 6 for calling the Visualizer obj's underlying member method code with example usage: obj.profiler() and returns: self, None