fix isolated builds when stderr is buffered and appears after print() (…

…#2449)
tox-dev · Jun 29, 2022 · dcf8917 · dcf8917
1 parent af83ed1
commit dcf8917
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diff --git a/docs/changelog/2449.bugfix.rst b/docs/changelog/2449.bugfix.rst
@@ -0,0 +1 @@
+Fix ``isolated_build`` when the build process produces stderr at exit.
diff --git a/src/tox/package/builder/isolated.py b/src/tox/package/builder/isolated.py
@@ -125,6 +125,7 @@ def perform_isolated_build(build_info, package_venv, dist_dir, setup_dir):
                 os.path.pathsep.join(str(p) for p in build_info.backend_paths),
             ],
             returnout=True,
+            capture_err=False,
             action=action,
             cwd=setup_dir,
         )
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1 @@
		Fix ``isolated_build`` when the build process produces stderr at exit.