{"action":"created","issue":{"url":"https://api.github.com/repos/mapnik/mapnik/issues/3055","labels_url":"https://api.github.com/repos/mapnik/mapnik/issues/3055/labels{/name}","comments_url":"https://api.github.com/repos/mapnik/mapnik/issues/3055/comments","events_url":"https://api.github.com/repos/mapnik/mapnik/issues/3055/events","html_url":"https://github.com/mapnik/mapnik/issues/3055","id":104824236,"number":3055,"title":"ImportError: dlopen(mapnik/_mapnik.so, 2): Symbol not found: [color_blind]","user":{"login":"nvkelso","id":853051,"avatar_url":"https://avatars.githubusercontent.com/u/853051?v=3","gravatar_id":"","url":"https://api.github.com/users/nvkelso","html_url":"https://github.com/nvkelso","followers_url":"https://api.github.com/users/nvkelso/followers","following_url":"https://api.github.com/users/nvkelso/following{/other_user}","gists_url":"https://api.github.com/users/nvkelso/gists{/gist_id}","starred_url":"https://api.github.com/users/nvkelso/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/nvkelso/subscriptions","organizations_url":"https://api.github.com/users/nvkelso/orgs","repos_url":"https://api.github.com/users/nvkelso/repos","events_url":"https://api.github.com/users/nvkelso/events{/privacy}","received_events_url":"https://api.github.com/users/nvkelso/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":3,"created_at":"2015-09-04T03:34:54Z","updated_at":"2015-09-10T23:19:54Z","closed_at":null,"body":"I'm trying to importing mapnik via the python-mapnik wrapper on OSX and get the following error:\r\n\r\n$ python\r\nPython 2.7.6 (default, Sep  9 2014, 15:04:36) \r\n[GCC 4.2.1 Compatible Apple LLVM 6.0 (clang-600.0.39)] on darwin\r\nType \"help\", \"copyright\", \"credits\" or \"license\" for more information.\r\n>>> import mapnik\r\nTraceback (most recent call last):\r\n  File \"<stdin>\", line 1, in <module>\r\n  File \"mapnik/__init__.py\", line 74, in <module>\r\n    from ._mapnik import *\r\nImportError: dlopen(mapnik/_mapnik.so, 2): Symbol not found: __ZN6mapnik6filter19parse_image_filtersERKNSt3__112basic_stringIcNS1_11char_traitsIcEENS1_9allocatorIcEEEERNS1_6vectorINS_4util7variantIJNS0_4blurENS0_4grayENS0_14agg_stack_blurENS0_6embossENS0_7sharpenENS0_11edge_detectENS0_5sobelENS0_10x_gradientENS0_10y_gradientENS0_6invertENS0_10scale_hslaENS0_14colorize_alphaENS0_14color_to_alphaENS0_21color_blind_protanopeENS0_23color_blind_deuteranopeENS0_21color_blind_tritanopeEEEENS5_IST_EEEE\r\n  Referenced from: mapnik/_mapnik.so\r\n  Expected in: flat namespace\r\n in mapnik/_mapnik.so\r\n\r\nI've both built mapnik from source and installed it using brew, so not sure anymore which one it's linking to (both are fresh today)."},"comment":{"url":"https://api.github.com/repos/mapnik/mapnik/issues/comments/139409449","html_url":"https://github.com/mapnik/mapnik/issues/3055#issuecomment-139409449","issue_url":"https://api.github.com/repos/mapnik/mapnik/issues/3055","id":139409449,"user":{"login":"nvkelso","id":853051,"avatar_url":"https://avatars.githubusercontent.com/u/853051?v=3","gravatar_id":"","url":"https://api.github.com/users/nvkelso","html_url":"https://github.com/nvkelso","followers_url":"https://api.github.com/users/nvkelso/followers","following_url":"https://api.github.com/users/nvkelso/following{/other_user}","gists_url":"https://api.github.com/users/nvkelso/gists{/gist_id}","starred_url":"https://api.github.com/users/nvkelso/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/nvkelso/subscriptions","organizations_url":"https://api.github.com/users/nvkelso/orgs","repos_url":"https://api.github.com/users/nvkelso/repos","events_url":"https://api.github.com/users/nvkelso/events{/privacy}","received_events_url":"https://api.github.com/users/nvkelso/received_events","type":"User","site_admin":false},"created_at":"2015-09-10T23:19:54Z","updated_at":"2015-09-10T23:19:54Z","body":"Suggestion on how to unwind what sounds like my self made knots?"}}