Merge pull request #18 from RazerM/fix-inheritance

Fix Value and Error inheritance on Python 3.5+

Author: njsmith

src/outcome/_async.py

@@ -48,13 +48,13 @@ async def asend(self, agen):
         """
 
 
-class Value(ValueBase):
+class Value(Outcome, ValueBase):
     async def asend(self, agen):
         self._set_unwrapped()
         return await agen.asend(self.value)
 
 
-class Error(ErrorBase):
+class Error(Outcome, ErrorBase):
     async def asend(self, agen):
         self._set_unwrapped()
         return await agen.athrow(self.error)

tests/test_sync.py

@@ -103,3 +103,8 @@ def raise_ValueError(x):
     assert type(e) == Error
     assert type(e.error) is ValueError
     assert e.error.args == ("two",)
+
+
+def test_inheritance():
+    assert issubclass(Value, outcome.Outcome)
+    assert issubclass(Error, outcome.Outcome)