code: def find_module(self, fullname, path=None):
      if not fullname.startswith("cellprofiler.modules.plugins"):
          return None
      prefix, modname = fullname.rsplit(".", 1)
      if prefix != "cellprofiler.modules.plugins":
          return None
      if os.path.exists(
          os.path.join(cpprefs.get_plugin_directory(), modname + ".py")
      ):
          return self
      return None
  
file_path: CellProfiler/src/frontend/cellprofiler/modules/plugins/__init__.py
imports: import glob
  import imp
  import os.path
  import sys
  import cellprofiler_core.preferences
label_desc: Use image node_id 1 for calling the PluginImporter obj's underlying member method code with example usage: obj.find_module(fullname, path) and returns: None, None, None, self