Don't crash in try_infer_partial_type() if var.type is None. #1752
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There probably is another underlying issue but it's not clear what is going on. This is a reasonable stopgap measure. We can revisit this if we encounter a small code example that resurfaces this problem elsewhere in the code. |
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As I mentioned in #1747, it's probably due to other errors in the same function.
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Fixes #1747.
This is a rather dumb fix -- I just avoid the crash. But I don't feel like understanding it.