René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Pandas 0.25 breaks tests","articleBody":"@jklymak Thanks! And yes, it's the pandas 0.25.0 that causes the failure, 0.24.2 was fine.\r\n\r\nCan we change the `test_bar_pandas(pd)` to following to avoid this failure?\r\n\r\n```python\r\ndef test_bar_pandas(pd):\r\n    # Smoke test for pandas\r\n    pd.plotting.register_matplotlib_converters()\r\n    fig, ax = plt.subplots()\r\n\r\n    df = pd.DataFrame(\r\n        {'year': [2018, 2018, 2018],\r\n         'month': [1, 1, 1],\r\n         'day': [1, 2, 3],\r\n         'value': [1, 2, 3]})\r\n    df['date'] = pd.to_datetime(df[['year', 'month', 'day']])\r\n\r\n    monthly = df[['date', 'value']].groupby(['date']).sum()\r\n    dates = monthly.index\r\n    forecast = monthly['value']\r\n    baseline = monthly['value']\r\n    ax.bar(dates, forecast, width=10, align='center')\r\n    ax.plot(dates, baseline, color='orange', lw=4)\r\n    pd.plotting.deregister_matplotlib_converters()\r\n```\r\n\r\ni.e. register at beginning and deregister at the end.\r\n\r\n_Originally posted by @bingyao in https://github.com/matplotlib/matplotlib/pull/14739#issuecomment-513235994_","author":{"url":"https://github.com/jklymak","@type":"Person","name":"jklymak"},"datePublished":"2019-07-19T14:08:47.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":4},"url":"https://github.com/14859/matplotlib/issues/14859"}