class_docstr: Wrapper for standard library class ZipFile and allow the returned file-like
  handle to accept byte strings via `write` method.
  
  BytesIO provides attributes of file-like object and ZipFile.writestr writes
  bytes strings into a member of the archive.
class_docstr_tok: ["Wrapper","for","standard","library","class","ZipFile","and","allow","the","returned","file-like","handle","to","accept","byte","strings","via","`","write","`","method",".","BytesIO","provides","attributes","of","file-like","object","and","ZipFile.writestr","writes","bytes","strings","into","a","member","of","the","archive","."]
code: def closed(self):
      return self.fp is None
  
imports: import codecs
  from contextlib import closing, contextmanager
  import csv
  import mmap
  import os
  import zipfile
  import pandas.compat
  from pandas.compat import BytesIO, StringIO, string_types, text_type
  from pandas.errors import AbstractMethodError, DtypeWarning, EmptyDataError, ParserError, ParserWarning
  from pandas.core.dtypes.common import is_file_like, is_number
  from pandas.io.formats.printing import pprint_thing
label_desc: Use image node_id 3 for calling the BytesZipFile obj's underlying member method code with example usage: obj.closed() and returns: unknown