René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"pyplot.step broken in 3.0.0?","articleBody":"### Bug report\r\n\r\n**Bug summary**\r\n\r\nThere appears to be a mix-up of arguments for `pyplot.step`.\r\n`x` and `y` arguments get promoted to keyword arguments, but `Axes.step` wants them as positional arguments.\r\n\r\n**Code for reproduction**\r\n\r\n```python\r\nfrom pylab import *;step([1,2],[3,4],'g')\r\n```\r\n\r\n**Actual outcome**\r\n\r\n```\r\nTraceback (most recent call last):\r\n  File \"\u003cstring\u003e\", line 1, in \u003cmodule\u003e\r\n  File \"/home/jgillis/miniconda3/envs/temp_env/lib/python3.6/site-packages/matplotlib/pyplot.py\", line 2850, in step\r\n    return gca().step(x=x, y=y, *args, where=where, data=data, **kwargs)\r\n  File \"..../lib/python3.6/site-packages/matplotlib/__init__.py\", line 1786, in inner\r\n    return func(ax, *args, **kwargs)\r\nTypeError: step() got multiple values for argument 'x'\r\n```\r\n\r\n**Expected outcome**\r\n\r\nA plot.\r\n\r\n**Matplotlib version**\r\n  * Matplotlib version: 3.0.0\r\n  * Matplotlib backend (`print(matplotlib.get_backend())`): any of them\r\n  * Python version: 3.6.5 (Installed with miniconda)\r\n\r\n","author":{"url":"https://github.com/jgillis","@type":"Person","name":"jgillis"},"datePublished":"2018-10-13T10:25:43.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":1},"url":"https://github.com/12515/matplotlib/issues/12515"}