Remove gevent as a dependancy to support PyPy

.travis.yml

@@ -2,6 +2,7 @@ language: python
 python:
   - "2.6"
   - "2.7"
+  - "pypy"
 env:
   - DJANGO=1.2.7
   - DJANGO=1.3.3

setup.py

@@ -28,7 +28,6 @@ tests_require = [
     'Django>=1.2,<1.5',
     'django-celery>=2.5',
     'django-nose',
-    'gevent',
     'Flask>=0.8',
     'logbook',
     'nose',
@@ -36,6 +35,8 @@ tests_require = [
     'pep8',
     'unittest2',
     'webob',
+    # pypy does not support gevent
+    # 'gevent',
     # zerorpc is messing up travis
     # 'zerorpc>=0.2.0',
     'pytz'

tox.ini

@@ -4,7 +4,7 @@
 # and then run "tox" from this directory.
 
 [tox]
-envlist = py26, py27
+envlist = py26, py27, pypy
 
 [testenv]
 commands = python setup.py test