Do not sleep during the retry loop

Author: honzakral

elasticsearch/transport.py

@@ -1,4 +1,3 @@
-import time
 from itertools import chain
 
 from .connection import Urllib3HttpConnection
@@ -339,10 +338,6 @@ def perform_request(self, method, url, headers=None, params=None, body=None):
  connection = self.get_connection()
 
  try:
- # add a delay before attempting the next retry
- # 0, 1, 3, 7, etc...
- delay = 2 ** attempt - 1
- time.sleep(delay)
  status, headers_response, data = connection.perform_request(
  method,
  url,