{"action":"opened","issue":{"url":"https://api.github.com/repos/esa/pagmo/issues/185","repository_url":"https://api.github.com/repos/esa/pagmo","labels_url":"https://api.github.com/repos/esa/pagmo/issues/185/labels{/name}","comments_url":"https://api.github.com/repos/esa/pagmo/issues/185/comments","events_url":"https://api.github.com/repos/esa/pagmo/issues/185/events","html_url":"https://github.com/esa/pagmo/issues/185","id":173606218,"number":185,"title":"Error Signature of   evolve()","user":{"login":"arita37","id":18707623,"avatar_url":"https://avatars.githubusercontent.com/u/18707623?v=3","gravatar_id":"","url":"https://api.github.com/users/arita37","html_url":"https://github.com/arita37","followers_url":"https://api.github.com/users/arita37/followers","following_url":"https://api.github.com/users/arita37/following{/other_user}","gists_url":"https://api.github.com/users/arita37/gists{/gist_id}","starred_url":"https://api.github.com/users/arita37/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/arita37/subscriptions","organizations_url":"https://api.github.com/users/arita37/orgs","repos_url":"https://api.github.com/users/arita37/repos","events_url":"https://api.github.com/users/arita37/events{/privacy}","received_events_url":"https://api.github.com/users/arita37/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2016-08-27T17:25:57Z","updated_at":"2016-08-27T17:25:57Z","closed_at":null,"body":"Hi,\r\n\r\nWhen running this :\r\nalgo = pyg.algorithm.de(gen=50,variant=1)  \r\nalgo.evolve()\r\n\r\nThis error appears:\r\n\r\n```\r\nTraceback (most recent call last):\r\n    algo.evolve()\r\nArgumentError: Python argument types in\r\n    de.evolve(de)\r\ndid not match C++ signature:\r\n    evolve(pagmo::algorithm::base, pagmo::population)\r\n```\r\n\r\n\r\nHow can we define the population manually ?\r\n\r\n\r\n"}}
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