Fix silly error

Snakefile

@@ -13,6 +13,7 @@ SPLIT_ID = config['split_id']
 LAYERS = [config[k] for k in config.keys() if k.startswith('layer')]
 LAYERS_CONCAT = "_".join(LAYERS)
 
+
 rule all:
     input:
         expand("{outfolder}/{dataset}/{target}/{split_id}/juxt/{layers}_tr_MCC_scores.txt", 
@@ -79,9 +80,13 @@ rule ml_rsnf_tr:
 
 rule ml_rsnf_val:
     input:
-        "{outfolder}/{dataset}/{target}/{split_id}/rSNF/{layers}_tr_RandomForest_rankList.log",
-        "{datafolder}/{dataset}/{target}/{split_id}/{layers}_ts.txt", 
-        "{datafolder}/{dataset}/{target}/{split_id}/labels_{target}_ts.txt",
+        expand("{outfolder}/{dataset}/{target}/{split_id}/rSNF/{layers}_tr_RandomForest_rankList.log",
+            outfolder=OUTFOLDER, dataset=DATASET, target=TARGET, layers=LAYERS_CONCAT, split_id=SPLIT_ID),
+        expand("{datafolder}/{dataset}/{target}/{split_id}/{layers}_ts.txt", 
+            datafolder=DATAFOLDER, dataset=DATASET, target=TARGET, layers=LAYERS_CONCAT, split_id=SPLIT_ID),
+        expand("{datafolder}/{dataset}/{target}/{split_id}/labels_{target}_ts.txt",
+            datafolder=DATAFOLDER, dataset=DATASET, target=TARGET, layers=LAYERS_CONCAT, split_id=SPLIT_ID),
+    output:
         "{outfolder}/{dataset}/{target}/{split_id}/rSNF/{layers}_tr_MCC_scores.txt",
     shell:
         "python sklearn_rf_validation_writeperf.py {input[0]} {input[1]} {wildcards.outfolder}/{wildcards.dataset}/{wildcards.target}/{wildcards.split_id}/rSNF --tslab {input[2]}"