[3.14] pythongh-139845: do not print twice in default asyncio REPL (pythonGH-139846) (python#139859)

pythongh-139845: do not print twice in default asyncio REPL (pythonGH-139846)
(cherry picked from commit a310b3a)

Co-authored-by: yihong <[email protected]>
Co-authored-by: Kumar Aditya <[email protected]>

Author: 3 people

Lib/asyncio/__main__.py

@@ -74,7 +74,8 @@ def callback():
             return
         except BaseException:
             if keyboard_interrupted:
-                self.write("\nKeyboardInterrupt\n")
+                if not CAN_USE_PYREPL:
+                    self.write("\nKeyboardInterrupt\n")
             else:
                 self.showtraceback()
             return self.STATEMENT_FAILED

Misc/NEWS.d/next/Library/2025-10-09-21-37-20.gh-issue-139845.dzx5UP.rst

@@ -0,0 +1 @@
+Fix to not print KeyboardInterrupt twice in default asyncio REPL.