Merge pull request #184 from jhlegarreta/fix/fix-pet-notebook-errors

FIX: Fix miscellaneous errors in the PET notebook

Author: jhlegarreta

docs/notebooks/pet_motion_estimation.ipynb

@@ -2258,17 +2258,12 @@
    "source": [
     "from nifreeze.estimator import PETMotionEstimator\n",
     "\n",
-    "# Instantiate with a PETModel or appropriate model instance\n",
-    "model = PETModel(\n",
-    "    dataset=pet_dataset, timepoints=pet_dataset.midframe, xlim=pet_dataset.total_duration\n",
-    ")\n",
-    "estimator = PETMotionEstimator(model=model)\n",
+    "estimator = PETMotionEstimator()\n",
     "\n",
     "# Run the estimator\n",
     "affines = estimator.run(\n",
     "    pet_dataset,\n",
     "    omp_nthreads=4,\n",
-    "    n_jobs=4,\n",
     ")"
    ]
   },