X-Git-Url: https://git.madduck.net/etc/vim.git/blobdiff_plain/4abc0399b527c50369c448e00d6e204af74026e5..d4a85643a465f5fae2113d07d22d021d4af4795a:/src/black/mode.py

diff --git a/src/black/mode.py b/src/black/mode.py
index 1e83f2a..a3ce20b 100644
--- a/src/black/mode.py
+++ b/src/black/mode.py
@@ -151,6 +151,7 @@ class Preview(Enum):
 
     annotation_parens = auto()
     empty_lines_before_class_or_def_with_leading_comments = auto()
+    handle_trailing_commas_in_head = auto()
     long_docstring_quotes_on_newline = auto()
     normalize_docstring_quotes_and_prefixes_properly = auto()
     one_element_subscript = auto()
@@ -180,8 +181,10 @@ 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,
             )