warn function doesn't exist

[vtjnash]

This function does not appear to be defined. Perhaps it should be @warn?

Perceptrons.jl/src/linear_perceptron.jl

Line 48 in 7b5185b

warn("Perceptron: Not converged. Max epochs $(max_epochs) reached. Error history: $(history) \n Try to increase max_epochs or may be you have a non linear problem.")

Ref https://s3.amazonaws.com/julialang-reports/nanosoldier/pkgeval/by_date/2021-06/03/Perceptrons.1.7.0-DEV-9f32653992.log