python3 compatibility

- __next__ for iterator interface
- six.next() to get next item
- list(dict.keys())
- popen2.popen4 -> subprocess
- s2b -> b"..." literals
- deprecated assertEquals -> assertEqual
- hub_test test_fork using run_python
- 1L -> 1 long literal
- many PEP-8 fixes

1 files changed, 0 insertions, 5 deletions

diff --git a/tests/__init__.py b/tests/__init__.py
index 66eb5b0..2234f0d 100644
--- a/tests/__init__.py
+++ b/tests/__init__.py
@@ -22,11 +22,6 @@ from eventlet import tpool
 main = unittest.main
 
 
-def s2b(s):
-    """portable way to convert string to bytes. In 3.x socket.send and recv require bytes"""
-    return s.encode()
-
-
 def skipped(func):
     """ Decorator that marks a function as skipped.  Uses nose's SkipTest exception
     if installed.  Without nose, this will count skipped tests as passing tests."""