diff --git a/notebooks/AGIPD/AGIPD_Correct_and_Verify.ipynb b/notebooks/AGIPD/AGIPD_Correct_and_Verify.ipynb
index 574ce6a6bdf77ab3cfcdb2db268e5bceeab53978..442f0d65e6b338125d96a4eb47fce961ca45b3f5 100644
--- a/notebooks/AGIPD/AGIPD_Correct_and_Verify.ipynb
+++ b/notebooks/AGIPD/AGIPD_Correct_and_Verify.ipynb
@@ -1058,13 +1058,13 @@
     "    signal = raw[:, 0, ...]\n",
     "    display(Markdown(\"### Signal vs. Analogue Gain\"))\n",
     "    hist, bins_x, bins_y = calgs.histogram2d(\n",
-    "    signal.flatten().astype(np.float32),\n",
-    "    gain.flatten().astype(np.float32),\n",
-    "    bins=(100, 100),\n",
-    "    range=[\n",
-    "        np.percentile(signal, [0.02, 99.8]),\n",
-    "        np.percentile(gain, [0.02, 99.8]),\n",
-    "        ],\n",
+    "        signal.flatten().astype(np.float32),\n",
+    "        gain.flatten().astype(np.float32),\n",
+    "        bins=(100, 100),\n",
+    "        range=[\n",
+    "            np.percentile(signal, [0.02, 99.8]),\n",
+    "            np.percentile(gain, [0.02, 99.8]),\n",
+    "            ],\n",
     "    )\n",
     "    do_2d_plot(hist, (bins_x, bins_y), \"Signal (ADU)\", \"Analogue gain (ADU)\")"
    ]