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-rw-r--r--lib/spack/external/ruamel/yaml/comments.py4
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/spack/external/ruamel/yaml/comments.py b/lib/spack/external/ruamel/yaml/comments.py
index 4a99931615..b8a5010ad8 100644
--- a/lib/spack/external/ruamel/yaml/comments.py
+++ b/lib/spack/external/ruamel/yaml/comments.py
@@ -381,9 +381,9 @@ class CommentedMap(ordereddict, CommentedBase):
pre_comments = self.ca.comment[1] = []
return pre_comments
- def update(self, vals):
+ def update(self, *vals, **kwds):
try:
- ordereddict.update(self, vals)
+ ordereddict.update(self, *vals, **kwds)
except TypeError:
# probably a dict that is used
for x in vals: