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-rwxr-xr-xtools/gyp/pylib/gyp/mac_tool.py3
1 files changed, 2 insertions, 1 deletions
diff --git a/tools/gyp/pylib/gyp/mac_tool.py b/tools/gyp/pylib/gyp/mac_tool.py
index eeeaceb0c7..366439a062 100755
--- a/tools/gyp/pylib/gyp/mac_tool.py
+++ b/tools/gyp/pylib/gyp/mac_tool.py
@@ -603,7 +603,8 @@ class MacTool(object):
if isinstance(data, list):
return [self._ExpandVariables(v, substitutions) for v in data]
if isinstance(data, dict):
- return {k: self._ExpandVariables(data[k], substitutions) for k in data}
+ return dict((k, self._ExpandVariables(data[k],
+ substitutions)) for k in data)
return data
if __name__ == '__main__':