[Typing] Enhance the WriteExcelBuffer protocol to be compatible with io.BinaryIO (pandas-dev#58422)

pcorpet · pmhatre1 · commit 6d463a5ecf44 · 2024-05-06T23:13:57.000-07:00
TYP: Enhance the WriteExcelBuffer protocol to be compatible with io.BinaryIO
diff --git a/pandas/_typing.py b/pandas/_typing.py
@@ -314,7 +314,7 @@ def readline(self) -> bytes: ...
 
 
 class WriteExcelBuffer(WriteBuffer[bytes], Protocol):
-    def truncate(self, size: int | None = ...) -> int: ...
+    def truncate(self, size: int | None = ..., /) -> int: ...
 
 
 class ReadCsvBuffer(ReadBuffer[AnyStr_co], Protocol):
