Fix EncodingWarning in libregrtest (GH-31654)

methane · web-flow · commit 3c4abfab0d3e · 2022-03-03T16:19:56.000+09:00
diff --git a/Lib/test/libregrtest/refleak.py b/Lib/test/libregrtest/refleak.py
@@ -142,7 +142,7 @@ def check_fd_deltas(deltas):
             msg = '%s leaked %s %s, sum=%s' % (
                 test_name, deltas, item_name, sum(deltas))
             print(msg, file=sys.stderr, flush=True)
-            with open(fname, "a") as refrep:
+            with open(fname, "a", encoding="utf-8") as refrep:
                 print(msg, file=refrep)
                 refrep.flush()
             failed = True
