diff --git a/setup.py b/setup.py
index a681064..193bffc 100644
--- a/setup.py
+++ b/setup.py
@@ -17,8 +17,8 @@ import string
 version, extra = string.split(sys.version, ' ', 1)
 maj, minor = string.split(version, '.', 1)
 
-if not maj[0] >= '2' and minor[0] >= '3':
-    msg = ("Py65 requires Python 2.3 or better, you are attempting to "
+if not maj[0] >= '2' and minor[0] >= '4':
+    msg = ("Py65 requires Python 2.4 or better, you are attempting to "
            "install it using version %s.  Please install with a "
            "supported version" % version)
 
diff --git a/src/py65/tests/__init__.py b/src/py65/tests/__init__.py
index 4f7f1b7..a003759 100644
--- a/src/py65/tests/__init__.py
+++ b/src/py65/tests/__init__.py
@@ -1,14 +1 @@
 # this is a package
-from unittest import TestCase
-def assertTrue(self, value, extra=None):
-    if not value:
-        raise AssertionError(extra)
-def assertFalse(self, value, extra=None):
-    if value:
-        raise AssertionError(extra)
-
-if not hasattr(TestCase, 'assertTrue'): # Python 2.3.3
-    TestCase.assertTrue = assertTrue
-
-if not hasattr(TestCase, 'assertFalse'): # Pytthon 2.3.3
-    TestCase.assertFalse = assertFalse