commented out python version test; runs for versions before 3.3.

Author: Daniel Ruprecht

tests/tests_core.py

@@ -1,9 +1,9 @@
 import numpy as np
 
 
-def test_python_version():
-    import sys
-    assert sys.version_info >= (3, 3), "Need Python 3.3 at least"
+#def test_python_version():
+#    import sys
+#    assert sys.version_info >= (3, 3), "Need Python 3.3 at least"
 
 # def test_return_types():
     # import pySDC.problem as pr
@@ -177,4 +177,4 @@ def check_datatypes_particles(init):
     assert p7 >= 0
     assert np.all(p8.pos.values==1.0)
     assert np.all(p8.vel.values==10.0)
-    assert np.all(a3.values==300.0)
+    assert np.all(a3.values==300.0)