diff --git a/notebooks/AGIPD/AGIPD_Correct_and_Verify_Summary_NBC.ipynb b/notebooks/AGIPD/AGIPD_Correct_and_Verify_Summary_NBC.ipynb
index 21ceec32eb725a6013ffc8aaee089ace9f22de22..ef845a4d0cfcc0cda1c3cf581b3fc7896023e503 100644
--- a/notebooks/AGIPD/AGIPD_Correct_and_Verify_Summary_NBC.ipynb
+++ b/notebooks/AGIPD/AGIPD_Correct_and_Verify_Summary_NBC.ipynb
@@ -101,7 +101,7 @@
     "            timestamp = const_data[const]\n",
     "            table_data.setdefault(timestamp, []).append(f\"{seq}:{mod}\")\n",
     "    table = []\n",
-    "    if len(table_data) == 0:\n",
+    "    if not len(table_data):\n",
     "        table.append([\"No constants retrieved\"])\n",
     "    elif len(table_data) == 1:\n",
     "        table.append([[*table_data][0], \"All modules\"])\n",
diff --git a/notebooks/AGIPD/AGIPD_Retrieve_Constants_Precorrection.ipynb b/notebooks/AGIPD/AGIPD_Retrieve_Constants_Precorrection.ipynb
index 7e7489309c6d56c9250e3d4a0544d430f3c51994..8051980183b2de5b3bea11a3051f36dcc2238edf 100644
--- a/notebooks/AGIPD/AGIPD_Retrieve_Constants_Precorrection.ipynb
+++ b/notebooks/AGIPD/AGIPD_Retrieve_Constants_Precorrection.ipynb
@@ -180,7 +180,7 @@
     "\n",
     "instr_dc = run_dc.select(instrument_src.format(\"*\"), require_all=True)\n",
     "\n",
-    "if len(instr_dc.train_ids) == 0:\n",
+    "if not instr_dc.train_ids:\n",
     "    raise ValueError(f\"No images found for {in_folder / f'r{run:04d}'}\")"
    ]
   },
@@ -192,7 +192,7 @@
    "source": [
     "agipd_cond = agipdlib.AgipdCtrl(\n",
     "    run_dc=run_dc,\n",
-    "    image_src=None,  # Not needed, as we wont read mem_cells or acq_rate.\n",
+    "    image_src=None,  # Not neededed, as we wont read mem_cells or acq_rate.\n",
     "    ctrl_src=ctrl_src,\n",
     ")\n",
     "\n",