gh-113978: Ignore warnings on text completion inside REPL (#113979)

Lib/rlcompleter.py

@@ -35,6 +35,7 @@
 import keyword
 import re
 import __main__
+import warnings
 
 __all__ = ["Completer"]
 
@@ -88,6 +89,7 @@ def complete(self, text, state):
                 return None
 
         if state == 0:
+            with warnings.catch_warnings(action="ignore"):
                 if "." in text:
                     self.matches = self.attr_matches(text)
                 else:

Misc/NEWS.d/next/Library/2024-01-12-08-51-03.gh-issue-113978.MqTgB0.rst

@@ -0,0 +1 @@
+Ignore warnings on text completion inside REPL.