{"action":"created","issue":{"url":"https://api.github.com/repos/ipython/ipython/issues/10071","repository_url":"https://api.github.com/repos/ipython/ipython","labels_url":"https://api.github.com/repos/ipython/ipython/issues/10071/labels{/name}","comments_url":"https://api.github.com/repos/ipython/ipython/issues/10071/comments","events_url":"https://api.github.com/repos/ipython/ipython/issues/10071/events","html_url":"https://github.com/ipython/ipython/issues/10071","id":192691659,"number":10071,"title":"IPython terminal prompt missing after upgrading from 2.3.1 to 5.1.0","user":{"login":"ye","id":133924,"avatar_url":"https://avatars.githubusercontent.com/u/133924?v=3","gravatar_id":"","url":"https://api.github.com/users/ye","html_url":"https://github.com/ye","followers_url":"https://api.github.com/users/ye/followers","following_url":"https://api.github.com/users/ye/following{/other_user}","gists_url":"https://api.github.com/users/ye/gists{/gist_id}","starred_url":"https://api.github.com/users/ye/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/ye/subscriptions","organizations_url":"https://api.github.com/users/ye/orgs","repos_url":"https://api.github.com/users/ye/repos","events_url":"https://api.github.com/users/ye/events{/privacy}","received_events_url":"https://api.github.com/users/ye/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":2,"created_at":"2016-11-30T21:58:30Z","updated_at":"2016-11-30T22:50:39Z","closed_at":null,"body":"I just recently upgraded IPython from 2.3.1 to 5.1.0. Right off the bat, the terminal command prompt is missing although I can type stuff in but it won't echo back either. Execution of the code seems to be working but I can't know for sure. By the way, if  I execute `ipython --simple-prompt` it seems to be working as usual with terminal prompts.\r\n\r\nI am aware of the [doc here](http://ipython.readthedocs.io/en/stable/whatsnew/version5.html#id1) but still have no clue why simply typing `ipython` won't show me the prompt.\r\n\r\nSee diagnostics info below.\r\n\r\n```bash\r\nroot@api-2712513810-9iimk:/api# ipython --debug\r\n[TerminalIPythonApp] IPYTHONDIR set to: /root/.ipython\r\n[TerminalIPythonApp] Using existing profile dir: '/root/.ipython/profile_default'\r\n[TerminalIPythonApp] Searching path ['/api', '/root/.ipython/profile_default', '/usr/local/etc/ipython', '/etc/ipython'] for config files\r\n[TerminalIPythonApp] Attempting to load config file: ipython_config.py\r\n[TerminalIPythonApp] Looking for ipython_config in /etc/ipython\r\n[TerminalIPythonApp] Looking for ipython_config in /usr/local/etc/ipython\r\n[TerminalIPythonApp] Looking for ipython_config in /root/.ipython/profile_default\r\n[TerminalIPythonApp] Looking for ipython_config in /api\r\nPython 3.5.2 (default, Nov 17 2016, 22:42:56) \r\nType \"copyright\", \"credits\" or \"license\" for more information.\r\n\r\nIPython 5.1.0 -- An enhanced Interactive Python.\r\n?         -> Introduction and overview of IPython's features.\r\n%quickref -> Quick reference.\r\nhelp      -> Python's own help system.\r\nobject?   -> Details about 'object', use 'object??' for extra details.\r\n\r\n[TerminalIPythonApp] Loading IPython extensions...\r\n[TerminalIPythonApp] Loading IPython extension: storemagic\r\n[TerminalIPythonApp] Starting IPython's mainloop...\r\n\r\n\r\n\r\n\r\n\r\nroot@api-2712513810-9iimk:/api# \r\nroot@api-2712513810-9iimk:/api# \r\nroot@api-2712513810-9iimk:/api# ipython --simple-prompt\r\nPython 3.5.2 (default, Nov 17 2016, 22:42:56) \r\nType \"copyright\", \"credits\" or \"license\" for more information.\r\n\r\nIPython 5.1.0 -- An enhanced Interactive Python.\r\n?         -> Introduction and overview of IPython's features.\r\n%quickref -> Quick reference.\r\nhelp      -> Python's own help system.\r\nobject?   -> Details about 'object', use 'object??' for extra details.\r\n\r\nIn [1]: exit\r\n\r\nroot@api-2712513810-9iimk:/api# python -c \"import IPython; print(IPython.sys_info())\"                  \r\n{'commit_hash': '5c9c918',\r\n 'commit_source': 'installation',\r\n 'default_encoding': 'UTF-8',\r\n 'ipython_path': '/usr/local/lib/python3.5/site-packages/IPython',\r\n 'ipython_version': '5.1.0',\r\n 'os_name': 'posix',\r\n 'platform': 'Linux-4.4.14-boot2docker-x86_64-with-debian-8.6',\r\n 'sys_executable': '/usr/local/bin/python',\r\n 'sys_platform': 'linux',\r\n 'sys_version': '3.5.2 (default, Nov 17 2016, 22:42:56) \\n[GCC 4.9.2]'}\r\n```"},"comment":{"url":"https://api.github.com/repos/ipython/ipython/issues/comments/264022041","html_url":"https://github.com/ipython/ipython/issues/10071#issuecomment-264022041","issue_url":"https://api.github.com/repos/ipython/ipython/issues/10071","id":264022041,"user":{"login":"ye","id":133924,"avatar_url":"https://avatars.githubusercontent.com/u/133924?v=3","gravatar_id":"","url":"https://api.github.com/users/ye","html_url":"https://github.com/ye","followers_url":"https://api.github.com/users/ye/followers","following_url":"https://api.github.com/users/ye/following{/other_user}","gists_url":"https://api.github.com/users/ye/gists{/gist_id}","starred_url":"https://api.github.com/users/ye/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/ye/subscriptions","organizations_url":"https://api.github.com/users/ye/orgs","repos_url":"https://api.github.com/users/ye/repos","events_url":"https://api.github.com/users/ye/events{/privacy}","received_events_url":"https://api.github.com/users/ye/received_events","type":"User","site_admin":false},"created_at":"2016-11-30T22:50:39Z","updated_at":"2016-11-30T22:50:39Z","body":"@takluyver weird indeed! I am using a python dockerized python environment based off the official `python:3.5` docker images with a bunch of pip packages baked in. There is no custom configration for IPython as far as I know. And I have no idea what terminal emulator I use in the docker container (if you tell me how to check I can post back the results.) Thanks.\r\n\r\nBtw, it's even weirder that after I docker container gets deleted and recreated, it simply works again ?! \r\n\r\n```bash\r\n$ kubectl exec -it api-3512315162-fg5xm bash\r\nroot@api-3512315162-fg5xm:/api# IPYTHONDIR=/tmp ipython; ipython\r\nPython 3.5.2 (default, Nov 17 2016, 22:42:56) \r\nType \"copyright\", \"credits\" or \"license\" for more information.\r\n\r\nIPython 5.1.0 -- An enhanced Interactive Python.\r\n?         -> Introduction and overview of IPython's features.\r\n%quickref -> Quick reference.\r\nhelp      -> Python's own help system.\r\nobject?   -> Details about 'object', use 'object??' for extra details.\r\n\r\nIn [1]: exit\r\nPython 3.5.2 (default, Nov 17 2016, 22:42:56) \r\nType \"copyright\", \"credits\" or \"license\" for more information.\r\n\r\nIPython 5.1.0 -- An enhanced Interactive Python.\r\n?         -> Introduction and overview of IPython's features.\r\n%quickref -> Quick reference.\r\nhelp      -> Python's own help system.\r\nobject?   -> Details about 'object', use 'object??' for extra details.\r\n\r\nIn [1]: exit()\r\nroot@api-3512315162-fg5xm:/api# ipython                         \r\nPython 3.5.2 (default, Nov 17 2016, 22:42:56) \r\nType \"copyright\", \"credits\" or \"license\" for more information.\r\n\r\nIPython 5.1.0 -- An enhanced Interactive Python.\r\n?         -> Introduction and overview of IPython's features.\r\n%quickref -> Quick reference.\r\nhelp      -> Python's own help system.\r\nobject?   -> Details about 'object', use 'object??' for extra details.\r\n\r\nIn [1]: exit()\r\n\r\n```"}}
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