Some deprectation fixes to the notebooks

examples/permutation_flow_shop_problem.ipynb

@@ -14,7 +14,6 @@
     "import numpy as np\n",
     "import numpy.random as rnd\n",
     "import matplotlib.pyplot as plt\n",
-    "import matplotlib.cm as cm\n",
     "\n",
     "from alns import ALNS\n",
     "from alns.accept import SimulatedAnnealing\n",
@@ -153,7 +152,7 @@
     "    start = completion - DATA.processing_times\n",
     "\n",
     "    # Plot each job using its start and completion time\n",
-    "    cmap = cm.get_cmap(\"rainbow\", n_jobs)\n",
+    "    cmap = plt.get_cmap(\"rainbow\", n_jobs)\n",
     "    machines, length, start_job, job_colors = zip(\n",
     "        *[\n",
     "            (i, DATA.processing_times[i, j], start[i, j], cmap(j - 1))\n",

examples/resource_constrained_project_scheduling_problem.ipynb

@@ -211,7 +211,7 @@
    },
    "outputs": [],
    "source": [
-    "instance = ProblemData.read_instance(\"data/j9041_6.sm\")"
+    "instance = ProblemData.read_instance(\"examples/data/j9041_6.sm\")"
    ]
   },
   {
@@ -325,9 +325,9 @@
     "    def indices(self) -> np.ndarray:\n",
     "        \"\"\"\n",
     "        Returns a mapping from job -> idx in the schedule. Unscheduled\n",
-    "        jobs have index +inf.\n",
+    "        jobs have index num_jobs.\n",
     "        \"\"\"\n",
-    "        indices = np.full(instance.num_jobs, np.inf, dtype=int)\n",
+    "        indices = np.full(instance.num_jobs, instance.num_jobs, dtype=int)\n",
     "\n",
     "        for idx, job in enumerate(self.jobs):\n",
     "            indices[job] = idx\n",
@@ -766,7 +766,7 @@
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "Python 3 (ipykernel)",
+   "display_name": ".venv",
    "language": "python",
    "name": "python3"
   },
@@ -780,7 +780,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.9.13"
+   "version": "3.11.4"
   }
  },
  "nbformat": 4,