René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Cannot complete namespace packages (was Where did %rehash go?)","articleBody":"Either %rehash was mistakenly removed, or the doc of %rehashx \n\n```\nIn [9]: %rehashx?\nDocstring:\nUpdate the alias table with all executable files in $PATH.\n\nThis version explicitly checks that every entry in $PATH is a file\nwith execute access (os.X_OK), so it is much slower than %rehash.\n\nUnder Windows, it checks executability as a match against a\n'|'-separated string of extensions, stored in the IPython config\nvariable win_exec_ext.  This defaults to 'exe|com|bat'.\n\nThis function also resets the root module cache of module completer,\nused on slow filesystems.\nFile:      /usr/lib/python3.5/site-packages/IPython/core/magics/osm.py\n\nIn [10]: %rehash?\nObject `%rehash` not found.\n```\n\nAs a side note I noticed this when I realized that `import mpl_` would not complete `mpl_toolkits` and tried to `%rehash` my cache; I still don't know how to get this to complete properly.\n","author":{"url":"https://github.com/anntzer","@type":"Person","name":"anntzer"},"datePublished":"2015-10-07T02:37:00.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":14},"url":"https://github.com/8875/ipython/issues/8875"}