Merge pull request #44 from erezsh/dev

Fix following PR #36 (reported by @KokeCacao)

Author: erezsh

runtype/base_types.py

@@ -157,6 +157,12 @@ def __le__(self, other):
 
         return NotImplemented
 
+    def __ge__(self, other):
+        if isinstance(other, DataType):
+            return False
+
+        return NotImplemented
+
 
 class ContainerType(DataType):
     """Base class for containers, such as generics.

tests/test_basic.py

@@ -70,6 +70,7 @@ def test_basic(self):
 
         assert isa((3,), (Tuple[int], list))
         assert not isa([40, 2], Tuple[int, int])
+        assert not issubclass(float, typing.Tuple[float, float])
 
         # Mappings
         assert issubclass(dict, abc.Mapping)