Make lazy constr component compatible with Pyomo+Gurobi

docs/guide/collectors.ipynb

@@ -38,9 +38,13 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 3,
+   "execution_count": 1,
    "id": "f906fe9c",
    "metadata": {
+    "ExecuteTime": {
+     "end_time": "2024-01-30T22:19:30.826123021Z",
+     "start_time": "2024-01-30T22:19:30.766066926Z"
+    },
     "collapsed": false,
     "jupyter": {
      "outputs_hidden": false
@@ -57,18 +61,18 @@
       "x4 = [[0.37454012 0.9507143  0.7319939 ]\n",
       " [0.5986585  0.15601864 0.15599452]\n",
       " [0.05808361 0.8661761  0.601115  ]]\n",
-      "x5 =   (2, 3)\t0.68030757\n",
-      "  (3, 2)\t0.45049927\n",
-      "  (4, 0)\t0.013264962\n",
-      "  (0, 2)\t0.94220173\n",
-      "  (4, 2)\t0.5632882\n",
-      "  (2, 1)\t0.3854165\n",
-      "  (1, 1)\t0.015966251\n",
-      "  (3, 0)\t0.23089382\n",
-      "  (4, 4)\t0.24102546\n",
-      "  (1, 3)\t0.68326354\n",
-      "  (3, 1)\t0.6099967\n",
-      "  (0, 3)\t0.8331949\n"
+      "x5 =   (3, 2)\t0.6803075671195984\n",
+      "  (2, 3)\t0.4504992663860321\n",
+      "  (0, 4)\t0.013264961540699005\n",
+      "  (2, 0)\t0.9422017335891724\n",
+      "  (2, 4)\t0.5632882118225098\n",
+      "  (1, 2)\t0.38541650772094727\n",
+      "  (1, 1)\t0.015966251492500305\n",
+      "  (0, 3)\t0.2308938205242157\n",
+      "  (4, 4)\t0.24102546274662018\n",
+      "  (3, 1)\t0.6832635402679443\n",
+      "  (1, 3)\t0.6099966764450073\n",
+      "  (3, 0)\t0.83319491147995\n"
      ]
     }
    ],
@@ -182,6 +186,10 @@
    "execution_count": 4,
    "id": "ac6f8c6f",
    "metadata": {
+    "ExecuteTime": {
+     "end_time": "2024-01-30T22:19:30.826707866Z",
+     "start_time": "2024-01-30T22:19:30.825940503Z"
+    },
     "collapsed": false,
     "jupyter": {
      "outputs_hidden": false
@@ -205,7 +213,7 @@
     "\n",
     "from miplearn.problems.tsp import (\n",
     "    TravelingSalesmanGenerator,\n",
-    "    build_tsp_model,\n",
+    "    build_tsp_model_gurobipy,\n",
     ")\n",
     "from miplearn.io import write_pkl_gz\n",
     "from miplearn.h5 import H5File\n",
@@ -231,7 +239,7 @@
     "# Solve all instances and collect basic solution information.\n",
     "# Process at most four instances in parallel.\n",
     "bc = BasicCollector()\n",
-    "bc.collect(glob(\"data/tsp/*.pkl.gz\"), build_tsp_model, n_jobs=4)\n",
+    "bc.collect(glob(\"data/tsp/*.pkl.gz\"), build_tsp_model_gurobipy, n_jobs=4)\n",
     "\n",
     "# Read and print some training data for the first instance.\n",
     "with H5File(\"data/tsp/00000.h5\", \"r\") as h5:\n",
@@ -244,6 +252,9 @@
    "execution_count": null,
    "id": "78f0b07a",
    "metadata": {
+    "ExecuteTime": {
+     "start_time": "2024-01-30T22:19:30.826179789Z"
+    },
     "collapsed": false,
     "jupyter": {
      "outputs_hidden": false
@@ -269,7 +280,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.9.16"
+   "version": "3.11.7"
   }
  },
  "nbformat": 4,