diff --git a/source/_static/code/fasta_reader.py b/source/_static/code/fasta_reader.py
index 4ef969e5cc2cd403df8b1ab431cbb901917e221b..8d4772b507da0335ad4d60429988df9475ee364d 100644
--- a/source/_static/code/fasta_reader.py
+++ b/source/_static/code/fasta_reader.py
@@ -20,4 +20,4 @@ def fasta_reader(fasta_path):
                 comment = ' '.join(header[1:])
             else:
                 sequence += line.strip()
-    return Sequence(id_ , comment, sequence)
\ No newline at end of file
+    return Sequence(id_, comment, sequence)
\ No newline at end of file