SyntaxError('parameter annotation must be an identifier',)

SyntaxError('return annotation must be an identifier',)

ViperTypeError("local 'x' used before type known",)

ViperTypeError("local 'x' has type 'int' but source is 'object'",)

ViperTypeError("can't implicitly convert 'ptr' to 'bool'",)

ViperTypeError("return expected 'int' but got 'object'",)

ViperTypeError("can't do binary op between 'int' and 'object'",)

ViperTypeError("can't load from 'int'",)

ViperTypeError("can't load from 'int'",)

ViperTypeError("can't store to 'int'",)

ViperTypeError("can't store to 'int'",)

ViperTypeError('must raise an object',)

ViperTypeError('unary op __pos__ not implemented',)

ViperTypeError('unary op __neg__ not implemented',)

ViperTypeError('unary op __invert__ not implemented',)