René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Error importing FigureCanvas","articleBody":"### Bug report\r\n\u003c!--A short 1-2 sentences that succinctly describes the bug--\u003e\r\nAfter updating to latest version (3.2.1) I started getting this error:\r\n```python\r\n# Paste your code here\r\nfrom matplotlib.backends.backend_qt4agg import FigureCanvasQTAgg as FigureCanvas\r\n\u003e\u003e\u003efrom matplotlib.backends.backend_qt4agg import FigureCanvasQTAgg as FigureCanvas\r\nTraceback (most recent call last):\r\n  File \"\u003cpyshell#0\u003e\", line 1, in \u003cmodule\u003e\r\n    from matplotlib.backends.backend_qt4agg import FigureCanvasQTAgg as FigureCanvas\r\n  File \"C:\\Python37-32\\lib\\site-packages\\matplotlib\\backends\\backend_qt4agg.py\", line 5, in \u003cmodule\u003e\r\n    from .backend_qt5agg import (\r\n  File \"C:\\Python37-32\\lib\\site-packages\\matplotlib\\backends\\backend_qt5agg.py\", line 11, in \u003cmodule\u003e\r\n    from .backend_qt5 import (\r\n  File \"C:\\Python37-32\\lib\\site-packages\\matplotlib\\backends\\backend_qt5.py\", line 19, in \u003cmodule\u003e\r\n    from .qt_compat import (\r\nImportError: cannot import name '_isdeleted' from 'matplotlib.backends.qt_compat' (C:\\Python37-32\\lib\\site-packages\\matplotlib\\backends\\qt_compat.py)\r\n\r\n```\r\n\r\n\u003c!--The output produced by the above code, which may be a screenshot, console output, etc.--\u003e\r\n\r\n\u003c!--A description of the expected outcome from the code snippet--\u003e\r\n\u003c!--If this used to work in an earlier version of Matplotlib, please note the version it used to work on--\u003e\r\n\r\n**Matplotlib version**\r\n\u003c!--Please specify your platform and versions of the relevant libraries you are using:--\u003e\r\n  * Operating system: Windows 10\r\n  * Matplotlib version: 3.2.1\r\n  * Matplotlib backend (`print(matplotlib.get_backend())`):TkAgg\r\n  * Python version:3.7.6 (32Bit)\r\n  * Jupyter version (if applicable):\r\n  * Other libraries: \r\naltgraph          0.17\r\nastroid           2.3.3\r\ncolorama          0.4.3\r\ncx-Freeze         6.1\r\ncycler            0.10.0\r\nfuture            0.18.2\r\nisort             4.3.21\r\njoblib            0.14.1\r\nkiwisolver        1.1.0\r\nlazy-object-proxy 1.4.3\r\nmatplotlib        3.2.1\r\nmccabe            0.6.1\r\nmpmath            1.1.0\r\nnumpy             1.18.2+mkl\r\npandas            1.0.3\r\npefile            2019.4.18\r\npip               20.0.2\r\npsutil            5.7.0\r\nPyInstaller       4.0.dev0+d08a42c612\r\npylint            2.4.4\r\npyparsing         2.4.6\r\nPyQt4             4.11.4\r\nPyQt5-sip         12.7.1\r\npython-dateutil   2.8.1\r\npytz              2019.3\r\npywin32-ctypes    0.2.0\r\nscikit-learn      0.22.2.post1\r\nscipy             1.4.1\r\nsetuptools        46.0.0\r\nsix               1.14.0\r\ntailer            0.4.1\r\ntyped-ast         1.4.1\r\nwrapt             1.12.1\r\nxlrd              1.2.0\r\nXlsxWriter        1.2.8\r\n\u003c!--Please tell us how you installed matplotlib and python e.g., from source, pip, conda--\u003e\r\n\u003c!--If you installed from conda, please specify which channel you used if not the default--\u003e\r\n\r\n","author":{"url":"https://github.com/xo-HADES-xo","@type":"Person","name":"xo-HADES-xo"},"datePublished":"2020-03-19T15:19:06.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":0},"url":"https://github.com/16834/matplotlib/issues/16834"}