trigger workflow tutorials

tutorials/tutorial11/tutorial.ipynb

@@ -19,7 +19,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 1,
+   "execution_count": null,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -36,9 +36,9 @@
     "import warnings\n",
     "\n",
     "from pina import Condition, Trainer\n",
-    "from pina.solver import PINN\n",
+    "from pina.solver import PINN \n",
     "from pina.model import FeedForward\n",
-    "from pina.problem import SpatialProblem\n",
+    "from pina.problem import SpatialProblem \n",
     "from pina.operator import grad\n",
     "from pina.domain import CartesianDomain\n",
     "from pina.equation import Equation, FixedValue\n",