include guppy only if skipBC is False.

src/bolero.nf

@@ -162,6 +162,7 @@ Channel
 */
 
 if(!params.skipBC) {
+  include { barcoding_cpu } from "./nf_modules/ont-guppy/main.nf"
   /* Hardware configuration, if Nvidia CUDA compatible graphic card is installed, use guppy-gpu, else guppy-cpu (much slower)*/
   if(params.gpu_mode) {
     include { basecall_fast5_gpu } from "./nf_modules/ont-guppy/main.nf"
@@ -173,7 +174,6 @@ if(!params.skipBC) {
   }
 }
 
-include { barcoding_cpu } from "./nf_modules/ont-guppy/main.nf"
 include { control_basecalling } from "./nf_modules/pycoqc/main.nf"
 include { control_bam } from "./nf_modules/pycoqc/main.nf"
 include { concatenate } from "./nf_modules/seqkit/main.nf"
@@ -206,6 +206,7 @@ workflow {
   }
 
   else { // we take fast5 files as input and proceed to basecalling with guppy
+
     if(params.gpu_mode) {
       basecall_fast5_gpu(input)
       if(params.kit_barcoding != ""){