fixed failing test for ex. 024

patches/patches/024_errors4.patch

@@ -1,10 +1,10 @@
 62c62,68
-<     return detectProblems(n) ??? 
+<     return detectProblems(n) ???
 ---
 >     return detectProblems(n) catch |err| {
 >         if (err == MyNumberError.TooSmall) {
 >             return 10;
 >         }
-> 
+>  
 >         return err;
 >     };