fix: Formatting

Author: roccomoretti

src/atomworks/ml/transforms/msa/_msa_loading_utils.py

@@ -163,7 +163,7 @@ def parse_a3m(
     fstream = remove_header_from_msa_file(open_file(filename))
 
     for index, line in enumerate(fstream):
-        line = line.replace('\x00','') # Files from the mmseq server may have stray null characters
+        line = line.replace("\x00", "")  # Files from the mmseq server may have stray null characters
         if len(line) == 0:
             continue
         # Extract taxonomy ID from the header line, but don't process like the rest of the MSA