René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"ticklabels on log axes sometimes adds overwritten labels on top of existing ones ","articleBody":"### Bug report\r\n\r\nFor log axes setting the tick labels sometimes just adds new labels on top of the existing ones.\r\n\r\n**Code for reproduction**\r\n\r\n\r\n```python\r\n# Paste your code here\r\n#Demonstration using the Agg backend, but this also happened for me with others.\r\nimport matplotlib\r\nmatplotlib.use('agg')\r\nfrom matplotlib import pyplot as plt\r\n\r\n# Some data I found that triggered this bug\r\nx = [100,200,300,400,500,600,700,800,900,1000]\r\ny = [ 1.7,  1.2,  0.98,  0.87,  0.76, 0.69,  0.62,  0.59,  0.56,  0.51]\r\n\r\n#Only seems to happen for a log axis.  Same error if you do semilogy\r\nplt.loglog(x, y)\r\n#This does not seem to replace the old tick labels, just add new ones\r\nplt.yticks([0.5, 0.6, 0.7, 0.8, 0.9, 1.0, 2.0], [\"0.5\", \"0.6\", \"0.7\", \"0.8\", \"0.9\", \"1.0\", \"2.0\"])\r\nplt.savefig(\"test.png\")\r\n```\r\n\r\n**Actual outcome**\r\n\r\n![test](https://cloud.githubusercontent.com/assets/220537/26060807/0e40c866-397e-11e7-96f9-e08cf63f576e.png)\r\n\r\n\r\n**Expected outcome**\r\nRemoval of the old tick labels as well as adding the new ones.\r\n\r\n**Matplotlib version**\r\n\r\n  * Operating System: MacOS Sierra 10.12.4\r\n  * Matplotlib Version: 2.0.2\r\n  * Python Version: 2.7.13\r\n  * Jupyter Version (if applicable): N/A \r\n  * Other Libraries: N/a\r\n\r\nI used pip to install matplotlib and it downloaded `matplotlib-2.0.2-cp27-cp27m-macosx_10_6_intel.macosx_10_9_intel.macosx_10_9_x86_64.macosx_10_10_intel.macosx_10_10_x86_64.whl`\r\n\r\n\r\n","author":{"url":"https://github.com/joezuntz","@type":"Person","name":"joezuntz"},"datePublished":"2017-05-15T13:58:07.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":3},"url":"https://github.com/8622/matplotlib/issues/8622"}