diff --git a/setup.py b/setup.py
index 8c9cebe..72be240 100644
--- a/setup.py
+++ b/setup.py
@@ -3,7 +3,7 @@
 
 setup(
     name = "tps",
-    version = "0.2",
+    version = "0.3",
     description='Thin plate spline transformation',
     author = "Oliver Tonnhofer",
     author_email = "olt@omniscale.de",
@@ -15,9 +15,11 @@
         "Operating System :: OS Independent",
         "Programming Language :: C",
         "Programming Language :: C++",
-        "Programming Language :: Python :: 2.5",
-        "Programming Language :: Python :: 2.6",
-        "Programming Language :: Python :: 2.7",
+        "Programming Language :: Python :: 3.6",
+        "Programming Language :: Python :: 3.7",
+        "Programming Language :: Python :: 3.8",
+        "Programming Language :: Python :: 3.9",
+        "Programming Language :: Python :: 3.10",
         "Topic :: Scientific/Engineering",
     ],
     test_suite = 'tps.test.test_suite',
diff --git a/tps/__init__.py b/tps/__init__.py
index cf14886..4bf842c 100644
--- a/tps/__init__.py
+++ b/tps/__init__.py
@@ -18,6 +18,6 @@
 # FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 # DEALINGS IN THE SOFTWARE.
 
-from _tps import TPS, TPSError, from_control_points
+from ._tps import TPS, TPSError, from_control_points
 
-__all__ = ['TPS', 'TPSError', 'from_control_points']
\ No newline at end of file
+__all__ = ['TPS', 'TPSError', 'from_control_points']
diff --git a/tps/test/test_tps.py b/tps/test/test_tps.py
index fe89d84..9ad9fbf 100644
--- a/tps/test/test_tps.py
+++ b/tps/test/test_tps.py
@@ -25,17 +25,17 @@
 class TestTPS(unittest.TestCase):
     def test_init_from_list(self):
         t = TPS([(0, 0, 50, 50), (10, 10, 100, 100)])
-        self.assertEquals(t.transform(4, 5), (72.5, 72.5))
+        self.assertEqual(t.transform(4, 5), (72.5, 72.5))
         t.add(0, 10, 70, 100)
-        self.assertEquals(t.transform(4, 5), (72.0, 75.0))
+        self.assertEqual(t.transform(4, 5), (72.0, 75.0))
     
     def test_simple(self):
         t = TPS()
         t.add(0, 0, 50, 50)
         t.add(10, 10, 100, 100)
-        self.assertEquals(t.transform(4, 5), (72.5, 72.5))
+        self.assertEqual(t.transform(4, 5), (72.5, 72.5))
         t.add(0, 10, 70, 100)
-        self.assertEquals(t.transform(4, 5), (72.0, 75.0))
+        self.assertEqual(t.transform(4, 5), (72.0, 75.0))
     
     def test_no_points(self):
         try:
@@ -62,11 +62,11 @@ def test_from_control_points_list_backwards(self):
             backwards=True)
         
         results = t.transform(72, 75)
-        self.assertAlmostEquals(results[0], 4.0)
-        self.assertAlmostEquals(results[1], 5.0)
+        self.assertAlmostEqual(results[0], 4.0)
+        self.assertAlmostEqual(results[1], 5.0)
 
 def test_suite():
     return unittest.TestLoader().loadTestsFromTestCase(TestTPS)
 
 if __name__ == '__main__':
-    unittest.main()
\ No newline at end of file
+    unittest.main()