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Fix boolean conversion in DeferredImportIndicator class #3746

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Merged
merged 2 commits into from
Oct 11, 2025
Merged

Fix boolean conversion in DeferredImportIndicator class #3746

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559769e
Fix boolean conversion in DeferredImportIndicator class
eminyouskn Oct 7, 2025
e27bd21
Update pyomo/common/dependencies.py
eminyouskn Oct 10, 2025
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5 changes: 4 additions & 1 deletion pyomo/common/dependencies.py
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Original file line number Diff line number Diff line change
Expand Up @@ -346,7 +346,10 @@ def __init__(

def __bool__(self):
self.resolve()
return self._available
# resolve() guarantees that _available has been resolved to a bool
assert self._available.__class__ is bool
# The following cast is to keep static code analysis linters happy
return bool(self._available)

def resolve(self):
# Only attempt the import once, then cache some form of result
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