Declare support for Python 3.10 (#2562)

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

diff --git a/src/black/report.py b/src/black/report.py
index 8fc5da2e1672d831ac9ef93636b6fdd467c28383..7e1c8b4b87f273bf6b99868fcdc641afadb8c4d6 100644 (file)
--- a/src/black/report.py
+++ b/src/black/report.py
@@ -16,6 +16,10 @@ class Changed(Enum):
     YES = 2
 
 
+class NothingChanged(UserWarning):
+    """Raised when reformatted code is the same as source."""
+
+
 @dataclass
 class Report:
     """Provides a reformatting counter. Can be rendered with `str(report)`."""