René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"plt.ioff() not suppressing figure generation","articleBody":"### Bug report\r\n\r\n**Bug summary**\r\nUsual behaviour for supressing plots (by enabling plt.ioff()) no longer working since update to latest version of conda.\r\n\r\n**Code for reproduction**\r\n```python\r\nimport numpy as np\r\nimport matplotlib.pyplot as plt\r\n\r\nx = np.random.rand(10)\r\ny = np.random.rand(10)\r\n\r\nplt.ioff()\r\nplt.plot(x, y)\r\n```\r\n\r\n**Actual outcome**\r\nIn Spyder IDE, still generates figure window. \r\n\r\n\r\n**Expected outcome**\r\nFigure window should not appear. plt.ioff() should disable interactive mode, and require a plt.show() call to generate figure window.\r\n\r\n**Matplotlib version**\r\n  * Operating system: Windows 10\r\n  * Matplotlib version: 3.1.0\r\n  * Matplotlib backend (`print(matplotlib.get_backend())`): Qt5Agg\r\n  * Python version: 3.7.3\r\n  * Jupyter version (if applicable):\r\n  * Other libraries: numpy 1.16.4\r\n\r\n\u003c!--Please tell us how you installed matplotlib and python e.g., from source, pip, conda--\u003e\r\nconda\r\n\r\n\u003c!--If you installed from conda, please specify which channel you used if not the default--\u003e\r\nDefault channel (via https://www.anaconda.com/distribution/ )","author":{"url":"https://github.com/Yoshi2112","@type":"Person","name":"Yoshi2112"},"datePublished":"2019-08-01T04:04:50.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":9},"url":"https://github.com/14950/matplotlib/issues/14950"}