{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {
    "nbsphinx": "hidden"
   },
   "source": [
    "This notebook is part of the `nbsphinx` documentation: http://nbsphinx.readthedocs.io/."
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# Ignoring Errors on a Per-Cell Basis\n",
    "\n",
    "Instead of ignoring errors for all notebooks or for some selected notebooks (see [the previous notebook](allow-errors.ipynb)), you can be more fine-grained and just allow errors on certain code cells by tagging them with the `raises-exception` tag."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "'no problem'"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "The following code cell has the `raises-exception` tag."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "tags": [
     "raises-exception"
    ]
   },
   "outputs": [],
   "source": [
    "problem"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "The following code cell is executed even though the previous cell raised an exception."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "'no problem'"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<div class=\"alert alert-info\">\n",
    "\n",
    "Note\n",
    "\n",
    "The behavior of the `raises-exception` tag doesn't match its name.\n",
    "While it does *allow* exceptions,\n",
    "it does not check if an exception is actually raised!\n",
    "\n",
    "This will hopefully be fixed at some point,\n",
    "see https://github.com/jupyter/nbconvert/issues/730.\n",
    "\n",
    "</div>"
   ]
  }
 ],
 "metadata": {
  "celltoolbar": "Tags",
  "kernelspec": {
   "display_name": "Python 3",
   "language": "python",
   "name": "python3"
  },
  "language_info": {
   "codemirror_mode": {
    "name": "ipython",
    "version": 3
   },
   "file_extension": ".py",
   "mimetype": "text/x-python",
   "name": "python",
   "nbconvert_exporter": "python",
   "pygments_lexer": "ipython3",
   "version": "3.7.4+"
  }
 },
 "nbformat": 4,
 "nbformat_minor": 4
}
