Merge pull request #411 from dandavison/input_transformer_manager

Use shell.input_transformer_manager when available

Author: blink1073

ipykernel/ipkernel.py

@@ -451,7 +451,11 @@ def do_shutdown(self, restart):
         return dict(status='ok', restart=restart)
 
     def do_is_complete(self, code):
-        status, indent_spaces = self.shell.input_splitter.check_complete(code)
+        transformer_manager = getattr(self.shell, 'input_transformer_manager', None)
+        if transformer_manager is None:
+            # input_splitter attribute is deprecated
+            transformer_manager = self.shell.input_splitter
+        status, indent_spaces = transformer_manager.check_complete(code)
         r = {'status': status}
         if status == 'incomplete':
             r['indent'] = ' ' * indent_spaces