Goto_definitions bug fix -> imports stuff.

jedi/api/__init__.py

@@ -268,8 +268,11 @@ class Script(object):
             return []
 
         if isinstance(user_stmt, pr.Import):
-            scopes = [helpers.get_on_import_stmt(self._evaluator, self._user_context,
-                                                 user_stmt, is_completion)[0]]
+            i, _ = helpers.get_on_import_stmt(self._evaluator, self._user_context,
+                                              user_stmt, is_completion)
+            if i is None:
+                return []
+            scopes = [i]
         else:
             # just parse one statement, take it and evaluate it
             eval_stmt = self._get_under_cursor_stmt(goto_path)

jedi/api/helpers.py

@@ -28,7 +28,7 @@ def get_on_import_stmt(evaluator, user_context, user_stmt, is_like_search=False)
     """
     name = user_stmt.name_for_position(user_context.position)
     if name is None:
-        raise NotImplementedError
+        return None, None
 
     i = imports.ImportWrapper(evaluator, name)
     return i, name

test/test_api/test_api.py

@@ -108,6 +108,10 @@ def test_goto_assignments_on_non_name():
     assert api.Script('True').goto_assignments() == []
 
 
+def test_goto_definitions_on_non_name():
+    assert api.Script('import x', column=0).goto_definitions() == []
+
+
 def test_goto_definition_not_multiple():
     """
     There should be only one Definition result if it leads back to the same