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-rw-r--r--src/engine/SCons/Variables/__init__.py4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/engine/SCons/Variables/__init__.py b/src/engine/SCons/Variables/__init__.py
index f203677..b1a2288 100644
--- a/src/engine/SCons/Variables/__init__.py
+++ b/src/engine/SCons/Variables/__init__.py
@@ -99,7 +99,9 @@ class Variables:
# options might be added after the 'unknown' dict has been set up,
# so we remove the key and all its aliases from that dict
for alias in list(option.aliases) + [ option.key ]:
- if alias in self.unknown:
+ # TODO(1.5)
+ #if alias in self.unknown:
+ if alias in self.unknown.keys():
del self.unknown[alias]
def keys(self):