python(chore): Fix ingestion example about run-id (#449)

Author: tsift

python/docs/examples/ingestion.ipynb

@@ -303,9 +303,6 @@
     "        descriptor = ingest_client.get_flow_descriptor(flow_name=\"onboard_sensors\")\n",
     "        run_id = ingest_client.get_run_id()\n",
     "\n",
-    "        if run_id is None:\n",
-    "            raise ValueError(\"Run ID is required for FlowBuilderPy usage\")\n",
-    "\n",
     "        # Pre-compute channel indices and conversion methods for maximum performance\n",
     "        # This avoids hash lookups when setting values in the loop below\n",
     "        channel_index_map = descriptor.mapping()\n",
@@ -329,7 +326,9 @@
     "\n",
     "            # Create FlowBuilderPy and build request using pre-computed indices\n",
     "            flow_builder = FlowBuilderPy(descriptor)\n",
-    "            flow_builder.attach_run_id(run_id)\n",
+    "\n",
+    "            if run_id is not None:\n",
+    "                flow_builder.attach_run_id(run_id)\n",
     "\n",
     "            # Generate values\n",
     "            motor_temp_value = 50.0 + random.random() * 5.0\n",