Merge pull request #7134 from bluetech/rm-dupfile

config: replace usage of py.io.dupfile
pytest-dev · Apr 30, 2020 · be68496 · be68496
2 parents e5d6e58 + c72a1b2
commit be68496
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/src/_pytest/config/__init__.py b/src/_pytest/config/__init__.py
@@ -308,7 +308,9 @@ def __init__(self):
             err = sys.stderr
             encoding = getattr(err, "encoding", "utf8")
             try:
-                err = py.io.dupfile(err, encoding=encoding)
+                err = open(
+                    os.dup(err.fileno()), mode=err.mode, buffering=1, encoding=encoding,
+                )
             except Exception:
                 pass
             self.trace.root.setwriter(err.write)