Fix type checking in parameter notebook

Author: jenshnielsen

docs/examples/Parameters/Parameter-With-Setpoints-defined-on-a-different-instrument.ipynb

@@ -81,7 +81,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 5,
+   "execution_count": null,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -108,6 +108,18 @@
     "        npoints = self.root_instrument.sweep_n_points.get_latest()\n",
     "        return np.random.default_rng().random(npoints)\n",
     "\n",
+    "    @property\n",
+    "    def root_instrument(self) -> \"DummyBufferedDMM\":\n",
+    "        # we override this to enforce that the root instrument is a DummyBufferedDMM\n",
+    "        # to ensure that we can get the value of the n_points parameter\n",
+    "        if self._instrument is None:\n",
+    "            raise ValueError(\"Instrument is not set for this parameter\")\n",
+    "        root_instrument = self._instrument.root_instrument\n",
+    "        if not isinstance(root_instrument, DummyBufferedDMM):\n",
+    "            raise TypeError(\"root_instrument must be an instance of DummyBufferedDMM\")\n",
+    "\n",
+    "        return root_instrument\n",
+    "\n",
     "\n",
     "class DummyBufferedDMM(Instrument):\n",
     "    def __init__(self, name, **kwargs):\n",
@@ -655,7 +667,7 @@
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "Python 3",
+   "display_name": "qcodes",
    "language": "python",
    "name": "python3"
   },
@@ -669,7 +681,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.7.9"
+   "version": "3.14.7"
   },
   "toc": {
    "base_numbering": 1,

docs/examples/Parameters/Simple-Example-of-ParameterWithSetpoints.ipynb

@@ -83,7 +83,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 5,
+   "execution_count": null,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -110,6 +110,20 @@
     "        npoints = self.root_instrument.n_points.get_latest()\n",
     "        return np.random.default_rng().random(npoints)\n",
     "\n",
+    "    @property\n",
+    "    def root_instrument(self) -> \"DummySpectrumAnalyzer\":\n",
+    "        # we override this to enforce that the root instrument is a DummySpectrumAnalyzer\n",
+    "        # to ensure that we can get the value of the n_points parameter\n",
+    "        if self._instrument is None:\n",
+    "            raise ValueError(\"Instrument is not set for this parameter\")\n",
+    "        root_instrument = self._instrument.root_instrument\n",
+    "        if not isinstance(root_instrument, DummySpectrumAnalyzer):\n",
+    "            raise TypeError(\n",
+    "                \"root_instrument must be an instance of DummySpectrumAnalyzer\"\n",
+    "            )\n",
+    "\n",
+    "        return root_instrument\n",
+    "\n",
     "\n",
     "class DummySpectrumAnalyzer(Instrument):\n",
     "    def __init__(self, name, **kwargs):\n",