fix warning in notebook

Author: NimaSarajpoor

docs/Tutorial_STUMPY_Basics.ipynb

@@ -31,7 +31,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 1,
+   "execution_count": null,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -68,7 +68,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 2,
+   "execution_count": null,
    "metadata": {},
    "outputs": [
     {
@@ -521,7 +521,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 13,
+   "execution_count": null,
    "metadata": {},
    "outputs": [
     {
@@ -606,7 +606,7 @@
    "source": [
     "taxi_df = pd.read_csv(\"https://zenodo.org/record/4276428/files/STUMPY_Basics_Taxi.csv?download=1\")\n",
     "taxi_df['value'] = taxi_df['value'].astype(np.float64)\n",
-    "taxi_df['timestamp'] = pd.to_datetime(taxi_df['timestamp'], errors='ignore')\n",
+    "taxi_df['timestamp'] = pd.to_datetime(taxi_df['timestamp'], format='mixed')\n",
     "taxi_df.head()"
    ]
   },