class_docstr: Read contents of compressed file as a filesystem with one file inside.
code: def _open(
      self,
      path: str,
      mode: str = "rb",
      block_size=None,
      autocommit=True,
      cache_options=None,
      **kwargs,
  ):
      path = self._strip_protocol(path)
      if mode != "rb":
          raise ValueError(
              f"Tried to read with mode {mode} on file {self.file.path} opened with mode 'rb'"
          )
      return self.file.open()
  
imports: import os
  from typing import Optional
  import fsspec
  from fsspec.archive import AbstractArchiveFileSystem
  from fsspec.utils import DEFAULT_BLOCK_SIZE
label_desc: Use image node_id 5 for calling the BaseCompressedFileFileSystem obj's underlying member method code with example usage: obj._open(path, mode, block_size, autocommit, cache_options) and returns: self