docstr: Returns an instance of a compressor file object.
docstr_tok: ["Returns","an","instance","of","a","compressor","file","object","."]
code: def compressor_file(self, fileobj, compresslevel=None):
      """Returns an instance of a compressor file object."""
      self._check_versions()
      if compresslevel is None:
          return self.fileobj_factory(fileobj, "wb")
      else:
          return self.fileobj_factory(
              fileobj, "wb", compression_level=compresslevel
          )
  
imports: import io
  import zlib
  from joblib.backports import LooseVersion
label_desc: Use image node_id 3 for calling the LZ4CompressorWrapper obj's underlying member method code with example usage: obj.compressor_file(fileobj, compresslevel) and returns: self, self