class_docstr: Handler that's just initialized with streams, environment, etc.
  
  This handler subclass is intended for synchronous HTTP/1.0 origin servers,
  and handles sending the entire response output, given the correct inputs.
  
  Usage::
  
      handler = SimpleHandler(
          inp,out,err,env, multithread=False, multiprocess=True
      )
      handler.run(app)
class_docstr_tok: ["Handler","that","'s","just","initialized","with","streams",",","environment",",","etc",".","This","handler","subclass","is","intended","for","synchronous","HTTP\/1.0","origin","servers",",","and","handles","sending","the","entire","response","output",",","given","the","correct","inputs",".","Usage",":",":","handler","=","SimpleHandler","(","inp",",","out",",","err",",","env",",","multithread=False",",","multiprocess=True",")","handler.run","(","app",")"]
code: def _flush(self):
      self.stdout.flush()
      self._flush = self.stdout.flush
  
imports: from .util import FileWrapper, guess_scheme, is_hop_by_hop
  from .headers import Headers
  import sys, os, time
label_desc: Use image node_id 6 for calling the SimpleHandler obj's underlying member method code with example usage: obj._flush() without return types