Test run black on self (#3114)

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

diff --git a/src/black/__init__.py b/src/black/__init__.py
index 75321c3f35c96c2ebfc2e62d755ac0500ad16a73..4200066e88201b78318514c2673f94ab9c6fb04b 100644 (file)
--- a/src/black/__init__.py
+++ b/src/black/__init__.py
@@ -40,7 +40,7 @@ from mypy_extensions import mypyc_attr
 from black.const import DEFAULT_LINE_LENGTH, DEFAULT_INCLUDES, DEFAULT_EXCLUDES
 from black.const import STDIN_PLACEHOLDER
 from black.nodes import STARS, syms, is_simple_decorator_expression
-from black.nodes import is_string_token
+from black.nodes import is_string_token, is_number_token
 from black.lines import Line, EmptyLineTracker
 from black.linegen import transform_line, LineGenerator, LN
 from black.comments import normalize_fmt_off
@@ -1245,8 +1245,7 @@ def get_features_used(  # noqa: C901
             if value_head in {'f"', 'F"', "f'", "F'", "rf", "fr", "RF", "FR"}:
                 features.add(Feature.F_STRINGS)
 
-        elif n.type == token.NUMBER:
-            assert isinstance(n, Leaf)
+        elif is_number_token(n):
             if "_" in n.value:
                 features.add(Feature.NUMERIC_UNDERSCORES)
 
@@ -1308,6 +1307,18 @@ def get_features_used(  # noqa: C901
         ):
             features.add(Feature.EXCEPT_STAR)
 
+        elif n.type in {syms.subscriptlist, syms.trailer} and any(
+            child.type == syms.star_expr for child in n.children
+        ):
+            features.add(Feature.VARIADIC_GENERICS)
+
+        elif (
+            n.type == syms.tname_star
+            and len(n.children) == 3
+            and n.children[2].type == syms.star_expr
+        ):
+            features.add(Feature.VARIADIC_GENERICS)
+
     return features