code: def _init_flags(self, flags_data, main_mod):
      flags = []
      for name, flag_data in flags_data.items():
          try:
              flag_data = guildfile.coerce_flag_data(
                  name, flag_data, self.guildfile
              )
          except guildfile.GuildfileError as e:
              if os.getenv("NO_WARN_FLAGS_IMPORT") != "1":
                  log.warning(
                      "cannot import flags from %s: %s", main_mod, e
                  )
          else:
              flags.append(guildfile.FlagDef(name, flag_data, self))
      return flags
  
imports: import logging
  import os
  from guild import cli
  from guild import guildfile
  from guild import util
  from guild import yaml_util
label_desc: Use image node_id 2 for calling the _ImportedFlagsOpDefProxy obj's underlying member method code with example usage: obj._init_flags(flags_data, main_mod) and returns: flags