Issue #13322: Fix BufferedWriter.write() to ensure that BlockingIOError is
raised when the wrapped raw file is non-blocking and the write would block.
Previous code assumed that the raw write() would raise BlockingIOError, but
RawIOBase.write() is defined to returned None when the call would block.
Patch by sbt.
diff --git a/Misc/ACKS b/Misc/ACKS
index c66edb7..7f7296e 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -796,6 +796,7 @@
 Mark Sapiro
 Ty Sarna
 Ben Sayer
+sbt
 Andrew Schaaf
 Michael Scharf
 Andreas Schawo