change alfa_index log file

snakemake/Snakefile

@@ -180,7 +180,7 @@ rule generate_alfa_index:
 	singularity: 
 		"docker://zavolab/alfa:1.1.1"
 	log: 
-		"logs/generate_alfa_index_{organism}_{index_size}.log"
+		os.path.join(config["local_log"], "{organism}_{index_size}_generate_alfa_index.log")
 	shell:
 		"alfa -a {input.gtf} \
 			-g {params.genome_index} \