Merge pull request #2299 from scVENUS/fix_attribute_docstrings_of_imported_class

Fix #2298: automodule fails to document a class attribute.

tests/test_ext_viewcode.py

@@ -32,6 +32,12 @@ def test_viewcode(app, status, warning):
     assert result.count('href="_modules/spam/mod2.html#Class2"') == 2
     assert result.count('@decorator') == 1
 
+    # test that the class attribute is correctly documented
+    assert result.count('this is Class3') == 2
+    assert 'this is the class attribute class_attr' in result
+    # the next assert fails, until the autodoc bug gets fixed
+    assert result.count('this is the class attribute class_attr') == 2
+
 
 @pytest.mark.sphinx(testroot='ext-viewcode', tags=['test_linkcode'])
 def test_linkcode(app, status, warning):