fixed linting errors

Signed-off-by: Hao Luo <howlowck@gmail.com>

plugins/scaffolder-backend/src/scaffolder/actions/builtin/stress/index.ts

@@ -1 +1,17 @@
+/*
+ * Copyright 2021 The Backstage Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 export { waitWorkflow } from './waitWorkflow';

plugins/scaffolder-backend/src/scaffolder/actions/builtin/stress/waitWorkflow.ts

@@ -1,4 +1,20 @@
-import { createTemplateAction } from '@backstage/plugin-scaffolder-backend';
+/*
+ * Copyright 2021 The Backstage Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { createTemplateAction } from '../../createTemplateAction';
 
 export function waitWorkflow() {
   type InputParameters = {