code: def set_file_error(
      self, srcfile: str, destfile: str, exception: Exception
  ):
      if self._first_file_error is None:
          self._first_file_error = {
              "srcfile": srcfile,
              "destfile": destfile,
              "exception": exception,
          }
  
imports: from typing import Any, AsyncIterator, Awaitable, Optional, List, Union, Dict, Callable, Tuple
  import os
  import os.path
  import asyncio
  import functools
  import humanize
  from ...utils import retry_transient_errors, url_basename, url_join, bounded_gather2, time_msecs, humanize_timedelta_msecs
  from ..weighted_semaphore import WeightedSemaphore
  from .exceptions import FileAndDirectoryError, UnexpectedEOFError
  from .fs import MultiPartCreate, FileStatus, AsyncFS, FileListEntry
label_desc: Use image node_id 7 for calling the SourceReport obj's underlying member method code with example usage: obj.set_file_error(srcfile, destfile, exception) without return types