Imply 3.8+ when annotated assigments used with unparenthesized tuples (#2708)

[etc/vim.git] / src / black / __init__.py

diff --git a/src/black/__init__.py b/src/black/__init__.py
index 08c239dc15561be1ceb41a7411957289880620ac..d8b98196aa068e9be8c192d71358333dab9377bf 100644 (file)
--- a/src/black/__init__.py
+++ b/src/black/__init__.py
@@ -1218,6 +1218,13 @@ def get_features_used(  # noqa: C901
         ):
             features.add(Feature.UNPACKING_ON_FLOW)
 
+        elif (
+            n.type == syms.annassign
+            and len(n.children) >= 4
+            and n.children[3].type == syms.testlist_star_expr
+        ):
+            features.add(Feature.ANN_ASSIGN_EXTENDED_RHS)
+
         # Python 2 only features (for its deprecation) except for integers, see above
         elif n.type == syms.print_stmt:
             features.add(Feature.PRINT_STMT)