René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Dict unpacking propagates wrong type","articleBody":"```python\r\na, b = {1: \"x\", 2.0: 1j}\r\n```\r\n\r\nThe way iterable unpacking works, `a` and `b` should have types based on the keys of the `dict`, since that's what you get when you convert to the functionally equivalent:\r\n\r\n```python\r\nd = {1: \"x\", 2.0: 1j}\r\nit = iter(d)\r\na = it.next()\r\nb = it.next()\r\n```\r\n\r\nBut, we get:\r\n\r\n![image](https://user-images.githubusercontent.com/5341706/48728646-5d00ac80-ebea-11e8-8f26-bfb561795318.png)\r\n\r\n![image](https://user-images.githubusercontent.com/5341706/48728659-668a1480-ebea-11e8-9819-5a5faf664b86.png)\r\n\r\n`a` is being given the value type, and `b` probably the first value's type.\r\n\r\nLikely related is what happens when changing this to:\r\n\r\n```python\r\na, *b = {1: \"x\", 2.0: 1j}\r\n```\r\n\r\n`b` has no type, but should be a list.\r\n\r\nFound in #334.","author":{"url":"https://github.com/jakebailey","@type":"Person","name":"jakebailey"},"datePublished":"2018-11-19T19:07:20.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":1},"url":"https://github.com/412/python-language-server/issues/412"}