Kallisto: change toList to collect

src/nf_modules/Kallisto/kallisto.nf

@@ -59,7 +59,7 @@ process mapping_fastq {
 
   input:
   set pair_id, file(reads) from fastq_files
-  file index from index_files.toList()
+  file index from index_files.collect()
 
   output:
   file "*" into counts_files
@@ -104,7 +104,7 @@ process mapping_fastq {
 
   input:
   file reads from fastq_files
-  file index from index_files.toList()
+  file index from index_files.collect()
 
   output:
   file "*" into count_files

src/nf_modules/Kallisto/tests/mapping_paired.nf

@@ -20,7 +20,7 @@ process mapping_fastq {
 
   input:
   set pair_id, file(reads) from fastq_files
-  file index from index_files.toList()
+  file index from index_files.collect()
 
   output:
   file "*" into counts_files

src/nf_modules/Kallisto/tests/mapping_single.nf

@@ -24,7 +24,7 @@ process mapping_fastq {
 
   input:
   file reads from fastq_files
-  file index from index_files.toList()
+  file index from index_files.collect()
 
   output:
   file "*" into count_files