1 files changed, 10 insertions, 11 deletions
diff --git a/Lib/unittest/mock.py b/Lib/unittest/mock.py
index b75a1fa..61ed80b 100644
--- a/Lib/unittest/mock.py
+++ b/Lib/unittest/mock.py
@@ -1027,28 +1027,27 @@ class CallableMixin(Base):
                 break
             seen.add(_new_parent_id)
 
-        ret_val = DEFAULT
         effect = self.side_effect
         if effect is not None:
             if _is_exception(effect):
                 raise effect
-
-            if not _callable(effect):
+            elif not _callable(effect):
                 result = next(effect)
                 if _is_exception(result):
                     raise result
-                if result is DEFAULT:
-                    result = self.return_value
+            else:
+                result = effect(*args, **kwargs)
+
+            if result is not DEFAULT:
                 return result
 
-            ret_val = effect(*args, **kwargs)
+        if self._mock_return_value is not DEFAULT:
+            return self.return_value
 
-        if (self._mock_wraps is not None and
-             self._mock_return_value is DEFAULT):
+        if self._mock_wraps is not None:
             return self._mock_wraps(*args, **kwargs)
-        if ret_val is DEFAULT:
-            ret_val = self.return_value
-        return ret_val
+
+        return self.return_value