fixed minor bug transform forward pass

Author: andreapasquale94

src/Core/transform.jl

@@ -210,7 +210,7 @@ for (order, axfun, _axfun, pfun, _pfun, _pfwd, _pbwd, dfun) in zip(
                 # Optimising this transformation would probably demand a significant 
                 # portion of time with respect to the time required by the whole transformation
                 # therefore forward pass is used without any optimisation
-                return $(axfun)(fr, p2.axesid, axes, t) * $(_pfwd)(fr, path, p1, t)
+                return $(axfun)(fr, p2.axesid, axes, t) * $(_pfwd)(fr, p1, path, t)
             end
         end