code: def try_imports(self):
      return set(
          (name.split(".")[0] if name and "." in name else name)
          for name in self._try_imports
      )
  
imports: from __future__ import print_function, division, absolute_import
  import json
  import os
  import sys
  import six
  import fnmatch
  import importlib
  import ast
  import doctest
  import collections
  import functools
  from pathlib2 import Path
  from .utils import parse_git_config
  from .modules import ImportedModules
label_desc: Use image node_id 13 for calling the ImportChecker obj's underlying member method code with example usage: obj.try_imports() and returns: set