Fix string escaping in lazy string error messages

Author: jClugstor

lib/NonlinearSolveSciPy/src/NonlinearSolveSciPy.jl

@@ -44,11 +44,11 @@ function SciPyLeastSquares(; method::String = "trf", loss::String = "linear")
     valid_losses = ("linear", "soft_l1", "huber", "cauchy", "arctan")
     method in valid_methods ||
         throw(ArgumentError(
-            lazy"Invalid method: $method. Valid methods are: $(join(valid_methods, ", "))"))
+            lazy"Invalid method: $method. Valid methods are: $(join(valid_methods, \", \"))"))
     loss in valid_losses ||
         throw(ArgumentError(
-            lazy"Invalid loss: $loss. Valid loss functions are: $(join(valid_losses, ",
-            "))"))
+            lazy"Invalid loss: $loss. Valid loss functions are: $(join(valid_losses, \",
+            \"))"))
     return SciPyLeastSquares(method, loss, :SciPyLeastSquares)
 end