make pytest test suite pypy ready

_pytest/pytester.py

@@ -515,6 +515,8 @@ class TmpTestdir:
 
     def spawn(self, cmd, expect_timeout=10.0):
         pexpect = py.test.importorskip("pexpect", "2.4")
+        if hasattr(sys, 'pypy_version_info') and '64' in py.std.platform.machine():
+            pytest.skip("pypy-64 bit not supported")
         logfile = self.tmpdir.join("spawn.out")
         child = pexpect.spawn(cmd, logfile=logfile.open("w"))
         child.timeout = expect_timeout

tox.ini

@@ -59,9 +59,6 @@ commands=
 [testenv:py32]
 deps=py>=1.4.0
 
-[testenv:pypy]
-basepython=pypy-c
-
 [testenv:jython]
 changedir=testing
 commands=