skip logo generation if there are no conserved positions only for the appropriate logo

scripts/parseHHR.py

@@ -241,11 +241,8 @@ def main( argv = None ):
         #queryConsensus = [ qc for i,qc in enumerate(hhm.consensus) ] # if hhm.conserved[i] ]
         #queryCovered = BitVector(size=len(hhm.master_seq))
 
-        # skip if no conserved positions
-        if hhm.conserved.count_bits() <= 0:
-            continue
-
         # output sequence logo restricted to conserved positions
+        if hhm.conserved.count_bits() > 0:
             with open( "{}/{}.fas".format( args.fasDir, queryName ), 'r' ) as fas:
                 fas_str = ""
                 for rec in SeqIO.parse(fas,'fasta'):