class_docstr: Class that wraps a transport with zlib, compressing writes
  and decompresses reads, using the python standard
  library zlib module.
class_docstr_tok: ["Class","that","wraps","a","transport","with","zlib",",","compressing","writes","and","decompresses","reads",",","using","the","python","standard","library","zlib","module","."]
docstr: Return the underlying transport's open status
docstr_tok: ["Return","the","underlying","transport","'s","open","status"]
code: def isOpen(self):
      """Return the underlying transport's open status"""
      return self.__trans.isOpen()
  
imports: from __future__ import division
  import zlib
  from .TTransport import TTransportBase, CReadableTransport
  from ..compat import BufferIO
label_desc: Use image node_id 7 for calling the TZlibTransport obj's underlying member method code with example usage: obj.isOpen() and returns: self