code: def _load_lexers(module_name):
      """Load a lexer (and all others in the module too)."""
      mod = __import__(module_name, None, None, ["__all__"])
      for lexer_name in mod.__all__:
          cls = getattr(mod, lexer_name)
          _lexer_cache[cls.name] = cls
  
imports: import re
  import sys
  import types
  import fnmatch
  from os.path import basename
  from pygments.lexers._mapping import LEXERS
  from pygments.modeline import get_filetype_from_buffer
  from pygments.plugin import find_plugin_lexers
  from pygments.util import ClassNotFound, itervalues, guess_decode
label_desc: Use image node_id 2 for calling a global function with example usage: _load_lexers(module_name) without return types