diff --git a/explainer/tutorial/explainer_tutorial_2.ipynb b/explainer/tutorial/explainer_tutorial_2.ipynb
index 1b8a990..2d0ef76 100644
--- a/explainer/tutorial/explainer_tutorial_2.ipynb
+++ b/explainer/tutorial/explainer_tutorial_2.ipynb
@@ -409,7 +409,7 @@
      "name": "stderr",
      "output_type": "stream",
      "text": [
-      "100%|██████████| 119/119 [00:00<00:00, 2343296.60it/s]"
+      "100%|██████████| 119/119 [00:00<00:00, 2533615.11it/s]"
      ]
     },
     {
@@ -624,7 +624,9 @@
   {
    "cell_type": "code",
    "execution_count": 16,
-   "metadata": {},
+   "metadata": {
+    "metadata": {}
+   },
    "outputs": [
     {
      "data": {
diff --git a/tests/explainer/explainer_test.py b/tests/explainer/explainer_test.py
index 9d3868b..db931bc 100644
--- a/tests/explainer/explainer_test.py
+++ b/tests/explainer/explainer_test.py
@@ -1,5 +1,5 @@
 from explainer.explainer_regex import ExplainerRegex
-from explainer.explainer import Trace, EventLog
+from explainer.explainer_util import Trace, EventLog
 
 
 # Test 1: Adding and checking constraints