requested changes.

elasticsearch/connection/http_requests.py

@@ -92,4 +92,3 @@ class RequestsHttpConnection(Connection):
         Explicitly closes connections
         """
         self.session.close()
-        return True

elasticsearch/connection/http_urllib3.py

@@ -118,4 +118,3 @@ class Urllib3HttpConnection(Connection):
         Explicitly closes connection
         """
         self.pool.close()
-        return True

elasticsearch/connection/pooling.py

@@ -29,5 +29,5 @@ class PoolingConnection(Connection):
         """
         Explicitly close connection
         """
-        return True
+        pass
 

elasticsearch/connection_pool.py

@@ -231,11 +231,9 @@ class ConnectionPool(object):
         """
         Explicitly closes connections
         """
-        for conn in self.connections:
+        for conn in self.orig_connections:
             conn.close()
 
-        return True
-
 class DummyConnectionPool(ConnectionPool):
     def __init__(self, connections, **kwargs):
         if len(connections) != 1:
@@ -253,8 +251,7 @@ class DummyConnectionPool(ConnectionPool):
         """
         Explicitly closes connections
         """
-        for conn in self.connections:
+        self.connection.close()
-            conn.close()
 
     def _noop(self, *args, **kwargs):
         pass

elasticsearch/transport.py

@@ -358,4 +358,3 @@ class Transport(object):
         Explcitly closes connections
         """
         self.connection_pool.close()
-        return True