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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"sys.modules cannot be reassigned","articleBody":"BPO | [17953](https://bugs.python.org/issue17953)\n--- | :---\nNosy | @brettcannon, @terryjreedy, @pitrou, @bitdancer, @progval, @ericsnowcurrently\nFiles | \u003cli\u003e[issue17953.patch](https://bugs.python.org/file30305/issue17953.patch \"Uploaded as text/plain at 2013-05-18.16:06:34 by Yogesh.Chaudhari\"): Adds statement \"However, replacing it or deleting critical entries may cause Python to fail.\"\u003c/li\u003e\n\n\u003csup\u003e*Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.*\u003c/sup\u003e\n\n\u003cdetails\u003e\u003csummary\u003eShow more details\u003c/summary\u003e\u003cp\u003e\n\nGitHub fields:\n```python\nassignee = 'https://github.com/brettcannon'\nclosed_at = \u003cDate 2013-05-24.21:33:08.263\u003e\ncreated_at = \u003cDate 2013-05-11.08:23:33.811\u003e\nlabels = ['easy', 'docs']\ntitle = 'sys.modules cannot be reassigned'\nupdated_at = \u003cDate 2013-06-25.05:14:26.503\u003e\nuser = 'https://github.com/ProgVal'\n```\n\nbugs.python.org fields:\n```python\nactivity = \u003cDate 2013-06-25.05:14:26.503\u003e\nactor = 'eric.snow'\nassignee = 'brett.cannon'\nclosed = True\nclosed_date = \u003cDate 2013-05-24.21:33:08.263\u003e\ncloser = 'brett.cannon'\ncomponents = ['Documentation']\ncreation = \u003cDate 2013-05-11.08:23:33.811\u003e\ncreator = 'Valentin.Lorentz'\ndependencies = []\nfiles = ['30305']\nhgrepos = []\nissue_num = 17953\nkeywords = ['patch', 'easy', '3.3regression']\nmessage_count = 12.0\nmessages = ['188901', '188914', '188945', '189312', '189317', '189529', '189933', '189934', '189938', '189939', '189940', '191833']\nnosy_count = 8.0\nnosy_names = ['brett.cannon', 'terry.reedy', 'pitrou', 'r.david.murray', 'Valentin.Lorentz', 'python-dev', 'eric.snow', 'Yogesh.Chaudhari']\npr_nums = []\npriority = 'normal'\nresolution = 'fixed'\nstage = 'needs patch'\nstatus = 'closed'\nsuperseder = None\ntype = None\nurl = 'https://bugs.python.org/issue17953'\nversions = ['Python 3.3', 'Python 3.4']\n```\n\n\u003c/p\u003e\u003c/details\u003e\n","author":{"url":"https://github.com/progval","@type":"Person","name":"progval"},"datePublished":"2013-05-11T08:23:34.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":12},"url":"https://github.com/62153/cpython/issues/62153"}