[PATCH] buildman: Correct overwriting of settings file

[Simon Glass]

The toolchain test causes the settings file to be overwritten, which is
annoying for local development. Fix it by passing None as the filename.

Signed-off-by: Simon Glass <sjg at chromium.org>
---

 tools/buildman/toolchain.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/buildman/toolchain.py b/tools/buildman/toolchain.py
index 241e8e69307f..0ecd8458b912 100644
--- a/tools/buildman/toolchain.py
+++ b/tools/buildman/toolchain.py
@@ -421,7 +421,7 @@ class Toolchains:
         Returns:
             Resolved string
 
-        >>> bsettings.Setup()
+        >>> bsettings.Setup(None)
         >>> tcs = Toolchains()
         >>> tcs.Add('fred', False)
         >>> var_dict = {'oblique' : 'OBLIQUE', 'first' : 'fi${second}rst', \
-- 
2.40.0.348.gf938b09366-goog