diff --git a/notebooks/11_maze_tuto.ipynb b/notebooks/11_maze_tuto.ipynb
index 84c5f03343..27be6f43d4 100644
--- a/notebooks/11_maze_tuto.ipynb
+++ b/notebooks/11_maze_tuto.ipynb
@@ -87,9 +87,9 @@
     "    !chmod +x minizinc.AppImage\n",
     "    !./minizinc.AppImage --appimage-extract\n",
     "    os.environ[\"PATH\"] = f\"{os.getcwd()}/squashfs-root/usr/bin/:{os.environ['PATH']}\"\n",
-    "    os.environ[\n",
-    "        \"LD_LIBRARY_PATH\"\n",
-    "    ] = f\"{os.getcwd()}/squashfs-root/usr/lib/:{os.environ['LD_LIBRARY_PATH']}\"\n",
+    "    os.environ[\"LD_LIBRARY_PATH\"] = (\n",
+    "        f\"{os.getcwd()}/squashfs-root/usr/lib/:{os.environ['LD_LIBRARY_PATH']}\"\n",
+    "    )\n",
     "\n",
     "    # download notebook utils\n",
     "    !wget https://raw.githubusercontent.com/airbus/scikit-decide/master/notebooks/maze_utils.py"
diff --git a/notebooks/12_gym_tuto.ipynb b/notebooks/12_gym_tuto.ipynb
index c48b90a797..e8096ecb91 100644
--- a/notebooks/12_gym_tuto.ipynb
+++ b/notebooks/12_gym_tuto.ipynb
@@ -103,9 +103,9 @@
     "    !chmod +x minizinc.AppImage\n",
     "    !./minizinc.AppImage --appimage-extract\n",
     "    os.environ[\"PATH\"] = f\"{os.getcwd()}/squashfs-root/usr/bin/:{os.environ['PATH']}\"\n",
-    "    os.environ[\n",
-    "        \"LD_LIBRARY_PATH\"\n",
-    "    ] = f\"{os.getcwd()}/squashfs-root/usr/lib/:{os.environ['LD_LIBRARY_PATH']}\""
+    "    os.environ[\"LD_LIBRARY_PATH\"] = (\n",
+    "        f\"{os.getcwd()}/squashfs-root/usr/lib/:{os.environ['LD_LIBRARY_PATH']}\"\n",
+    "    )"
    ]
   },
   {
diff --git a/notebooks/13_scheduling_tuto.ipynb b/notebooks/13_scheduling_tuto.ipynb
index a5ef05c15f..033ea4e85d 100644
--- a/notebooks/13_scheduling_tuto.ipynb
+++ b/notebooks/13_scheduling_tuto.ipynb
@@ -88,9 +88,9 @@
     "    !chmod +x minizinc.AppImage\n",
     "    !./minizinc.AppImage --appimage-extract\n",
     "    os.environ[\"PATH\"] = f\"{os.getcwd()}/squashfs-root/usr/bin/:{os.environ['PATH']}\"\n",
-    "    os.environ[\n",
-    "        \"LD_LIBRARY_PATH\"\n",
-    "    ] = f\"{os.getcwd()}/squashfs-root/usr/lib/:{os.environ['LD_LIBRARY_PATH']}\"\n",
+    "    os.environ[\"LD_LIBRARY_PATH\"] = (\n",
+    "        f\"{os.getcwd()}/squashfs-root/usr/lib/:{os.environ['LD_LIBRARY_PATH']}\"\n",
+    "    )\n",
     "\n",
     "    # download input file\n",
     "    !wget https://raw.githubusercontent.com/airbus/scikit-decide/master/notebooks/j12052_1.sm"
@@ -985,9 +985,9 @@
     "# time to the same 300 seconds limit\n",
     "dict_params[\"parameters_cp\"] = params_cp\n",
     "dict_params[\"max_time_seconds\"] = 300\n",
-    "dict_params[\n",
-    "    \"nb_iteration_lns\"\n",
-    "] = 10000  # dummy value, we want that the max_time_seconds to be the limiting param\n",
+    "dict_params[\"nb_iteration_lns\"] = (\n",
+    "    10000  # dummy value, we want that the max_time_seconds to be the limiting param\n",
+    ")\n",
     "dict_params[\"verbose\"] = False\n",
     "\n",
     "# Let's create our solver with the given feature\n",
diff --git a/notebooks/14_benchmarking_tuto.ipynb b/notebooks/14_benchmarking_tuto.ipynb
index c58192f1a5..a835afa6ba 100644
--- a/notebooks/14_benchmarking_tuto.ipynb
+++ b/notebooks/14_benchmarking_tuto.ipynb
@@ -79,9 +79,9 @@
     "    !chmod +x minizinc.AppImage\n",
     "    !./minizinc.AppImage --appimage-extract\n",
     "    os.environ[\"PATH\"] = f\"{os.getcwd()}/squashfs-root/usr/bin/:{os.environ['PATH']}\"\n",
-    "    os.environ[\n",
-    "        \"LD_LIBRARY_PATH\"\n",
-    "    ] = f\"{os.getcwd()}/squashfs-root/usr/lib/:{os.environ['LD_LIBRARY_PATH']}\""
+    "    os.environ[\"LD_LIBRARY_PATH\"] = (\n",
+    "        f\"{os.getcwd()}/squashfs-root/usr/lib/:{os.environ['LD_LIBRARY_PATH']}\"\n",
+    "    )"
    ]
   },
   {
diff --git a/notebooks/15_flightplanning_tuto.ipynb b/notebooks/15_flightplanning_tuto.ipynb
index 1fd994ad97..838a903f69 100644
--- a/notebooks/15_flightplanning_tuto.ipynb
+++ b/notebooks/15_flightplanning_tuto.ipynb
@@ -76,9 +76,9 @@
     "    !chmod +x minizinc.AppImage\n",
     "    !./minizinc.AppImage --appimage-extract\n",
     "    os.environ[\"PATH\"] = f\"{os.getcwd()}/squashfs-root/usr/bin/:{os.environ['PATH']}\"\n",
-    "    os.environ[\n",
-    "        \"LD_LIBRARY_PATH\"\n",
-    "    ] = f\"{os.getcwd()}/squashfs-root/usr/lib/:{os.environ['LD_LIBRARY_PATH']}\""
+    "    os.environ[\"LD_LIBRARY_PATH\"] = (\n",
+    "        f\"{os.getcwd()}/squashfs-root/usr/lib/:{os.environ['LD_LIBRARY_PATH']}\"\n",
+    "    )"
    ]
   },
   {