Apply suggestions from code review

Co-Authored-By: Chris Markiewicz <effigies@gmail.com>

Author: oesteban

nipype/interfaces/base/core.py

@@ -465,7 +465,8 @@ def aggregate_outputs(self, runtime=None, needed_outputs=None):
             _na_outputs = self._check_version_requirements(outputs)
             na_names = aggregate_names.intersection(_na_outputs)
             if na_names:
-                raise TypeError("""\
+                # XXX Change to TypeError in Nipype 2.0
+                raise KeyError("""\
 Output trait(s) %s not available in version %s of interface %s.\
 """ % (', '.join(na_names), self.version, self.__class__.__name__))
 

nipype/interfaces/base/tests/test_core.py

@@ -289,7 +289,7 @@ def _list_outputs(self):
             return {'foo': 1}
 
     obj = DerivedInterface1()
-    with pytest.raises(TypeError):
+    with pytest.raises(KeyError):
         obj.run()