ext/games_dice/probabilities.c in games_dice-0.3.6 vs ext/games_dice/probabilities.c in games_dice-0.3.7

@@ -742,9 +742,11 @@
   alloc_probs_iv( pl, s, 1.0/s );
   return obj;
 }
 
 VALUE probabilities_from_h( VALUE self, VALUE hash ) {
+  Check_Type( hash, T_HASH );
+
   VALUE obj = pl_alloc( Probabilities );
   ProbabilityList *pl = get_probability_list( obj );
   double error;
 
   // Set these up so that they get adjusted during hash iteration