X-Git-Url: https://git.madduck.net/etc/vim.git/blobdiff_plain/fc6cea0f0e0f6da99fffbedbfcf3d50cc0e641a4..eb32729ab562c010d9f644a3bbb2305196b2deb7:/src/black/mode.py

diff --git a/src/black/mode.py b/src/black/mode.py
index 6af0417..3e37a58 100644
--- a/src/black/mode.py
+++ b/src/black/mode.py
@@ -154,6 +154,7 @@ class Preview(Enum):
     """Individual preview style features."""
 
     add_trailing_comma_consistently = auto()
+    blank_line_after_nested_stub_class = auto()
     hex_codes_in_unicode_sequences = auto()
     improved_async_statements_handling = auto()
     multiline_string_handling = auto()
@@ -187,10 +188,8 @@ class Mode:
     def __post_init__(self) -> None:
         if self.experimental_string_processing:
             warn(
-                (
-                    "`experimental string processing` has been included in `preview`"
-                    " and deprecated. Use `preview` instead."
-                ),
+                "`experimental string processing` has been included in `preview`"
+                " and deprecated. Use `preview` instead.",
                 Deprecated,
             )