Removed dependency on unittest2, also merged requirements.txt for py 2.x and 3.x
diff --git a/tests/test_transform.py b/tests/test_transform.py
index ed3e38b..f919b1b 100644
--- a/tests/test_transform.py
+++ b/tests/test_transform.py
@@ -14,12 +14,12 @@
# See the License for the specific language governing permissions and
# limitations under the License.
-import unittest2
+import unittest
from rsa._compat import b
from rsa.transform import int2bytes, bytes2int, _int2bytes
-class Test_int2bytes(unittest2.TestCase):
+class Test_int2bytes(unittest.TestCase):
def test_accuracy(self):
self.assertEqual(int2bytes(123456789), b('\x07[\xcd\x15'))
self.assertEqual(_int2bytes(123456789), b('\x07[\xcd\x15'))
