Fix an issue with docstrings that contain errors

test/test_evaluate/test_docstring.py

@@ -196,6 +196,21 @@ def test_numpydoc_parameters_alternative_types():
     assert 'append' in names
 
 
+@pytest.mark.skipif(numpydoc_unavailable,
+                    reason='numpydoc module is unavailable')
+def test_numpydoc_invalid():
+    s = dedent('''
+    def foobar(x, y):
+        """
+        Parameters
+        ----------
+        x : int (str, py.path.local
+        """
+        x.''')
+
+    assert not jedi.Script(s).completions()
+
+
 @pytest.mark.skipif(numpydoc_unavailable,
                     reason='numpydoc module is unavailable')
 def test_numpydoc_returns():