black 19.10b0 moves comments

[graingert]

Describe the bug A clear and concise description of what the bug is.

To Reproduce Steps to reproduce the behavior:

--- before.py	2019-10-30 09:58:55.912054280 +0000
+++ after.py	2019-10-30 09:59:04.940064509 +0000
@@ -1,10 +1,10 @@
 def ham():
     ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff = (
-        "foo"
-    )  # tipe: str
+        "foo"  # tipe: str
+    )
 
 
 def ham():
     ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff = (
         "foo"
     )  # type: str

Expected behavior A clear and concise description of what you expected to happen.

Should behave the same regardless of "type:" or "tipe:"

Environment (please complete the following information):

N/A repros on playground

Does this bug also happen on master? To answer this, you have two options:

yes https://black.now.sh/?version=master&state=_Td6WFoAAATm1rRGAgAhARYAAAB0L-Wj4AFUAGZdAD2IimZxl1N_WlbvK5V9jFWWIeAUKtl9yAIWu0xBZRYufu53E20KvwjrvjpCNcD_sEfkfz8H1QKqCpEG4ABfAgYKTpykKZPWkBxEuvOvpIJY9YHAweNveGybKuGuXnDULzCm_9I1QQAAABnNawxy_QTjAAGCAdUCAAB71UO_scRn-wIAAAAABFla

Additional context Add any other context about the problem here.

[graingert]

this is bad because it changes the semantics of other comment annotations, eg noqa

[graingert]

@ambv is this expected behaviour?

[ambv]

Well. It's a known issue. In its essence it's related to #379 with the added insight that maybe it would be better to treat all comments as type comments.