Update app.py

app.py

@@ -636,7 +636,7 @@ def process_target_fasta(sequence):
             lines = sequence.strip().split("\n")
             if lines[0].startswith(">"):
                 lines = lines[1:]
-            return ''.join(lines).split(">")[0]
+            return ''.join(lines).split(">")[0].strip()
             # record = list(SeqIO.parse(io.StringIO(sequence), "fasta"))[0]
             # return str(record.seq)
         else: