fix naming in Snakefile to make less awkward

Snakefile

@@ -21,11 +21,11 @@ with open('chemistry.json') as fp:
    chemistry = json.load(fp)
 
 # paired positional approach
-PAIREDs = []
+PAIRs = []
 if PAIRED_SAMPLES:
-  PAIREDs.extend(expand("{results}/counts/{sample}_{read}_counts.tsv.gz", results = RESULTS, sample = PAIRED_SAMPLES, read = "paired"))
-  PAIREDs.extend(expand("{results}/{sample}/{sample}_{read}_Aligned.sortedByCoord.out.bam", results = RESULTS, sample = PAIRED_SAMPLES, read = "paired"))
-  PAIREDs.extend(expand("{results}/bed/{sample}_{read}.bed.gz", results = RESULTS, sample = PAIRED_SAMPLES, read = "paired"))  
+  PAIRs.extend(expand("{results}/counts/{sample}_{read}_counts.tsv.gz", results = RESULTS, sample = PAIRED_SAMPLES, read = "paired"))
+  PAIRs.extend(expand("{results}/{sample}/{sample}_{read}_Aligned.sortedByCoord.out.bam", results = RESULTS, sample = PAIRED_SAMPLES, read = "paired"))
+  PAIRs.extend(expand("{results}/bed/{sample}_{read}.bed.gz", results = RESULTS, sample = PAIRED_SAMPLES, read = "paired"))  
 # read 1 positional approach
 R1s = []
 if R1_SAMPLES:
@@ -39,7 +39,7 @@ if R2_SAMPLES:
   R2s.extend(expand("{results}/{sample}/{sample}_{read}_Aligned.sortedByCoord.out.bam", results = RESULTS, sample = R2_SAMPLES, read = "R2"))
   R2s.extend(expand("{results}/bed/{sample}_{read}.bed.gz", results = RESULTS, sample = R2_SAMPLES, read = "R2"))
 # combine
-all_outputs = PAIREDs + R1s + R2s #+ expand("{results}/report/multiqc_report.html", results = RESULTS)
+all_outputs = PAIRs + R1s + R2s #+ expand("{results}/report/multiqc_report.html", results = RESULTS)
 print(all_outputs)
 
 rule all: