Merge pull request kermitt2#1245 from kermitt2/bugfix/fix-e2e-flavor-…

…param

Fix flavor parameter

grobid-trainer/src/main/java/org/grobid/trainer/evaluation/EndToEndEvaluation.java

@@ -2051,8 +2051,7 @@ public static void main(String[] args) {
             String flavor = args[4];
             parsedFlavor = GrobidModels.Flavor.fromLabel(flavor);
             if (parsedFlavor == null) {
-                System.err.println("Invalid value for flavor: " + flavor + ". Omit or correct the parameter. ");
-                return;
+                System.out.println("Flavor was not specified, or was empty. Using default Grobid process. ");
             } else {
                 System.out.println("Setting flavor to: " + parsedFlavor);
             }