fix python3 bugs

--HG--
branch : trunk

py/_test/session.py

@@ -138,7 +138,7 @@ class Collection:
 
     def getbyid(self, id):
         """ return one or more nodes matching the id. """
-        names = filter(None, id.split("::"))
+        names = [x for x in id.split("::") if x]
         if names and '/' in names[0]:
             names[:1] = names[0].split("/")
         return self._match([self._topcollector], names)

testing/test_deprecated_api.py

@@ -170,10 +170,10 @@ class TestCollectDeprecated:
                     if path.basename == "testme.xxx":
                         return Module(path, parent=self)
                     return super(Directory, self).consider_file(path)
+        """)
             #def pytest_collect_file(path, parent):
             #    if path.basename == "testme.xxx":
             #        return Module(path, parent=parent)
-        """)
         testme = testdir.makefile('xxx', testme="hello")
         config = testdir.parseconfig(testme)
         col = testdir.getnode(config, testme)