{"action":"created","comment":{"url":"https://api.github.com/repos/pydata/pandas/pulls/comments/22414581","id":22414581,"diff_hunk":"@@ -0,0 +1,77 @@\n+\"\"\"\n+Interaction with scipy.sparse matrices.\n+\n+Currently only includes SparseSeries.to_coo helpers.\n+\n+TODO:\n+    * more tests\n+    * from_coo\n+    * vbench\n+\"\"\"\n+from pandas.core.frame import DataFrame\n+from pandas.core.index import MultiIndex\n+from pandas.core.series import Series\n+import itertools\n+import numpy\n+import scipy.sparse\n+from pandas.compat import OrderedDict\n+\n+def _squish(s):\n+    \"\"\" Uniquify s while preserving order. Elements of s must be appendable to set. \"\"\"\n+    seen = set()","path":"pandas/sparse/scipy_sparse.py","position":21,"original_position":21,"commit_id":"b13efc543ffcdcfcde8c1e067267ac6aab472d3d","original_commit_id":"b13efc543ffcdcfcde8c1e067267ac6aab472d3d","user":{"login":"jreback","id":953992,"avatar_url":"https://avatars.githubusercontent.com/u/953992?v=3","gravatar_id":"","url":"https://api.github.com/users/jreback","html_url":"https://github.com/jreback","followers_url":"https://api.github.com/users/jreback/followers","following_url":"https://api.github.com/users/jreback/following{/other_user}","gists_url":"https://api.github.com/users/jreback/gists{/gist_id}","starred_url":"https://api.github.com/users/jreback/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/jreback/subscriptions","organizations_url":"https://api.github.com/users/jreback/orgs","repos_url":"https://api.github.com/users/jreback/repos","events_url":"https://api.github.com/users/jreback/events{/privacy}","received_events_url":"https://api.github.com/users/jreback/received_events","type":"User","site_admin":false},"body":"You can do this\r\n```\r\nIn [1]: l = [1,2,2,1,5,7]\r\n\r\nIn [2]: pd.Index(l).unique()\r\nOut[2]: array([1, 2, 5, 7])\r\n```","created_at":"2015-01-02T16:37:08Z","updated_at":"2015-01-02T16:37:08Z","html_url":"https://github.com/pydata/pandas/pull/9076#discussion_r22414581","pull_request_url":"https://api.github.com/repos/pydata/pandas/pulls/9076","_links":{"self":{"href":"https://api.github.com/repos/pydata/pandas/pulls/comments/22414581"},"html":{"href":"https://github.com/pydata/pandas/pull/9076#discussion_r22414581"},"pull_request":{"href":"https://api.github.com/repos/pydata/pandas/pulls/9076"}}},"pull_request":{"url":"https://api.github.com/repos/pydata/pandas/pulls/9076","id":26039865,"html_url":"https://github.com/pydata/pandas/pull/9076","diff_url":"https://github.com/pydata/pandas/pull/9076.diff","patch_url":"https://github.com/pydata/pandas/pull/9076.patch","issue_url":"https://api.github.com/repos/pydata/pandas/issues/9076","number":9076,"state":"open","locked":false,"title":"Add SparseSeries.to_coo method, a single test and one example.","user":{"login":"cottrell","id":223276,"avatar_url":"https://avatars.githubusercontent.com/u/223276?v=3","gravatar_id":"","url":"https://api.github.com/users/cottrell","html_url":"https://github.com/cottrell","followers_url":"https://api.github.com/users/cottrell/followers","following_url":"https://api.github.com/users/cottrell/following{/other_user}","gists_url":"https://api.github.com/users/cottrell/gists{/gist_id}","starred_url":"https://api.github.com/users/cottrell/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/cottrell/subscriptions","organizations_url":"https://api.github.com/users/cottrell/orgs","repos_url":"https://api.github.com/users/cottrell/repos","events_url":"https://api.github.com/users/cottrell/events{/privacy}","received_events_url":"https://api.github.com/users/cottrell/received_events","type":"User","site_admin":false},"body":"xref #4343\r\ncloses #8048\r\n\r\nThis passes locally run nosetests but is failing on Travis. I think the latest Travis CI changes might have caused failures. I was able to get master to pass on Travis last week but now it is failing. 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