diff --git a/DP1/300_Science_Demos/306_Extragalactic_transients/306_4_Recalculate_reliabilty_scores.ipynb b/DP1/300_Science_Demos/306_Extragalactic_transients/306_4_Recalculate_reliabilty_scores.ipynb
index 2138d9b2..a75b3503 100644
--- a/DP1/300_Science_Demos/306_Extragalactic_transients/306_4_Recalculate_reliabilty_scores.ipynb
+++ b/DP1/300_Science_Demos/306_Extragalactic_transients/306_4_Recalculate_reliabilty_scores.ipynb
@@ -100,6 +100,8 @@
    "outputs": [],
    "source": [
     "import os\n",
+    "import sys\n",
+    "from contextlib import contextmanager\n",
     "import numpy as np\n",
     "import matplotlib.pyplot as plt\n",
     "from astropy.coordinates import SkyCoord\n",
@@ -176,6 +178,32 @@
     "targ_band = \"r\""
    ]
   },
+  {
+   "cell_type": "markdown",
+   "id": "7a6a4e19-109c-440c-9ad7-c9c3d7ec4379",
+   "metadata": {},
+   "source": [
+    "Define a function that will prevent the `RBTransiNetTask` from attempting to write a `pycache` file while running.\n",
+    "This file is not necessary in the context of this tutorial."
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "84e1ffa3-29ee-4e55-9ed7-196049d48147",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "@contextmanager\n",
+    "def suppress_bytecode():\n",
+    "    prev_bc = sys.dont_write_bytecode\n",
+    "    sys.dont_write_bytecode = True\n",
+    "    try:\n",
+    "        yield\n",
+    "    finally:\n",
+    "        sys.dont_write_bytecode = prev_bc"
+   ]
+  },
   {
    "cell_type": "markdown",
    "id": "7546554b-b650-4334-a169-80ae8ad96832",
@@ -631,7 +659,8 @@
    "metadata": {},
    "source": [
     "Run the task by passing it the template, science, and difference images, and the sources table.\n",
-    "Extract the reliability scores (classifications) as an `astropy` table."
+    "Extract the reliability scores (classifications) as an `astropy` table.\n",
+    "Use the `suppress_bytecode` function defined in Section 1.2 to avoid the creation of unnecessary auxiliary files."
    ]
   },
   {
@@ -641,8 +670,9 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "results = reliabilityTask.run(new_template.template, science, difference,\n",
-    "                              sources, pretrainedModel=None)\n",
+    "with suppress_bytecode():\n",
+    "    results = reliabilityTask.run(new_template.template, science, difference,\n",
+    "                                  sources, pretrainedModel=None)\n",
     "rb_table = results.classifications.asAstropy()\n",
     "del results"
    ]