{"action":"created","issue":{"url":"https://api.github.com/repos/pydata/pandas/issues/9645","labels_url":"https://api.github.com/repos/pydata/pandas/issues/9645/labels{/name}","comments_url":"https://api.github.com/repos/pydata/pandas/issues/9645/comments","events_url":"https://api.github.com/repos/pydata/pandas/issues/9645/events","html_url":"https://github.com/pydata/pandas/issues/9645","id":61088788,"number":9645,"title":"ENH: add read_csv sniffing (sep=None) for C engine","user":{"login":"jorisvandenbossche","id":1020496,"avatar_url":"https://avatars.githubusercontent.com/u/1020496?v=3","gravatar_id":"","url":"https://api.github.com/users/jorisvandenbossche","html_url":"https://github.com/jorisvandenbossche","followers_url":"https://api.github.com/users/jorisvandenbossche/followers","following_url":"https://api.github.com/users/jorisvandenbossche/following{/other_user}","gists_url":"https://api.github.com/users/jorisvandenbossche/gists{/gist_id}","starred_url":"https://api.github.com/users/jorisvandenbossche/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/jorisvandenbossche/subscriptions","organizations_url":"https://api.github.com/users/jorisvandenbossche/orgs","repos_url":"https://api.github.com/users/jorisvandenbossche/repos","events_url":"https://api.github.com/users/jorisvandenbossche/events{/privacy}","received_events_url":"https://api.github.com/users/jorisvandenbossche/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/pydata/pandas/labels/CSV","name":"CSV","color":"5319e7"},{"url":"https://api.github.com/repos/pydata/pandas/labels/Enhancement","name":"Enhancement","color":"4E9A06"}],"state":"open","locked":false,"assignee":null,"milestone":{"url":"https://api.github.com/repos/pydata/pandas/milestones/20","html_url":"https://github.com/pydata/pandas/milestones/Someday","labels_url":"https://api.github.com/repos/pydata/pandas/milestones/20/labels","id":239227,"number":20,"title":"Someday","description":"Milestone for filing things away that may be reached someday (at which point such issues should be moved to the appropriate release milestone)","creator":{"login":"wesm","id":329591,"avatar_url":"https://avatars.githubusercontent.com/u/329591?v=3","gravatar_id":"","url":"https://api.github.com/users/wesm","html_url":"https://github.com/wesm","followers_url":"https://api.github.com/users/wesm/followers","following_url":"https://api.github.com/users/wesm/following{/other_user}","gists_url":"https://api.github.com/users/wesm/gists{/gist_id}","starred_url":"https://api.github.com/users/wesm/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/wesm/subscriptions","organizations_url":"https://api.github.com/users/wesm/orgs","repos_url":"https://api.github.com/users/wesm/repos","events_url":"https://api.github.com/users/wesm/events{/privacy}","received_events_url":"https://api.github.com/users/wesm/received_events","type":"User","site_admin":false},"open_issues":243,"closed_issues":144,"state":"open","created_at":"2013-01-06T03:02:01Z","updated_at":"2015-10-26T11:58:45Z","due_on":"2016-12-31T05:00:00Z","closed_at":null},"comments":1,"created_at":"2015-03-13T15:05:22Z","updated_at":"2015-10-27T00:56:31Z","closed_at":null,"body":"If you now do `pd.read_csv(myfile.csv, sep=None)`, you get the warning:\r\n\r\n> ParserWarning: Falling back to the 'python' engine because the 'c' engine does not support sep=None with delim_whitespace=False; you can avoid this warning by specifying engine='python'\r\n\r\nIs this warning correct that it is not implemented for the c engine? \r\nIf so, it could maybe be added."},"comment":{"url":"https://api.github.com/repos/pydata/pandas/issues/comments/151329057","html_url":"https://github.com/pydata/pandas/issues/9645#issuecomment-151329057","issue_url":"https://api.github.com/repos/pydata/pandas/issues/9645","id":151329057,"user":{"login":"iskandr","id":48441,"avatar_url":"https://avatars.githubusercontent.com/u/48441?v=3","gravatar_id":"","url":"https://api.github.com/users/iskandr","html_url":"https://github.com/iskandr","followers_url":"https://api.github.com/users/iskandr/followers","following_url":"https://api.github.com/users/iskandr/following{/other_user}","gists_url":"https://api.github.com/users/iskandr/gists{/gist_id}","starred_url":"https://api.github.com/users/iskandr/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/iskandr/subscriptions","organizations_url":"https://api.github.com/users/iskandr/orgs","repos_url":"https://api.github.com/users/iskandr/repos","events_url":"https://api.github.com/users/iskandr/events{/privacy}","received_events_url":"https://api.github.com/users/iskandr/received_events","type":"User","site_admin":false},"created_at":"2015-10-27T00:56:31Z","updated_at":"2015-10-27T00:56:31Z","body":":+1: I would also appreciate this feature."}}