Apply some small miscellaneous formatting fixes

1 files changed, 5 insertions, 4 deletions

diff --git a/babel/messages/pofile.py b/babel/messages/pofile.py
index a9180a7..88cc043 100644
--- a/babel/messages/pofile.py
+++ b/babel/messages/pofile.py
@@ -134,7 +134,6 @@ class _NormalizedString:
         return self.__cmp__(other) != 0
 
 
-
 class PoFileParser:
     """Support class to  read messages from a ``gettext`` PO (portable object) file
     and add them to a `Catalog`
@@ -615,11 +614,13 @@ def write_po(
                     locs.append(location)
             _write_comment(' '.join(locs), prefix=':')
         if message.flags:
-            _write('#%s\n' % ', '.join([''] + sorted(message.flags)))
+            _write(f"#{', '.join(['', *sorted(message.flags)])}\n")
 
         if message.previous_id and include_previous:
-            _write_comment('msgid %s' % _normalize(message.previous_id[0]),
-                           prefix='|')
+            _write_comment(
+                f'msgid {_normalize(message.previous_id[0])}',
+                prefix='|',
+            )
             if len(message.previous_id) > 1:
                 _write_comment('msgid_plural %s' % _normalize(
                     message.previous_id[1]