From f72252383a856c4b05661201752f772c4c7f6931 Mon Sep 17 00:00:00 2001
From: ThomasV <thomasv@gitorious>
Date: Mon, 26 Mar 2012 01:59:48 +0400
Subject: [PATCH] fix: recv returns empty string if the connection is closed

---
 stratum.py |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/stratum.py b/stratum.py
index a8a0e0c..cd3a431 100644
--- a/stratum.py
+++ b/stratum.py
@@ -136,7 +136,7 @@ class TcpClientRequestor(threading.Thread):
 
     def update(self):
         data = self.receive()
-        if data is None:
+        if not data:
             # close_session
             self.session.stop()
             return False
@@ -148,7 +148,7 @@ class TcpClientRequestor(threading.Thread):
         try:
             return self.session.connection().recv(1024)
         except socket.error:
-            return None
+            return ''
 
     def parse(self):
         raw_buffer = self.message.find('\n')
-- 
1.7.1