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Added error for classes that don't have an init function #21880

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Added error for classes that don't have an init function #21880

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4 changes: 4 additions & 0 deletions torch/csrc/jit/script/sugared_value.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -248,6 +248,10 @@ std::shared_ptr<SugaredValue> ClassValue::call(
// Generate a new object of the right type, then call `__init__` on it
auto& g = *m.graph();
auto self = g.insertNode(g.createObject(type_))->output();
if (!type_->getMethod("__init__")) {
throw ErrorReport(loc)
<< "Class " << type_->basename() << " does not have an __init__ function defined.";
}

// Call the init function
MethodValue(self, "__init__").call(loc, m, inputs, attributes, n_binders);
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