def _envless_load(self, source_data, silent=True, key=None):
        """Load all the keys from each file without env separation"""
        for file_name, file_data in source_data.items():
            # is there a `dynaconf_merge` on top level of file?
            file_merge = file_data.get("dynaconf_merge", empty)

            # set source metadata
            source_metadata = SourceMetadata(
                self.identifier, file_name, "default"
            )

            self._set_data_to_obj(
                file_data,
                source_metadata,
                file_merge=file_merge,
                key=key,
            )
Load all the keys from each file without env separation
dynaconf/loaders/base.py