why does github make suggesting newlines so difficult

yt_dlp/extractor/redge.py

@@ -7,9 +7,9 @@ from ..utils import (
     int_or_none,
     join_nonempty,
     parse_qs,
-    traverse_obj,
     update_url_query,
 )
+from ..utils.traversal import traverse_obj
 
 
 class RedCDNLivxIE(InfoExtractor):

yt_dlp/extractor/sejmpl.py

@@ -1,22 +1,23 @@
+import datetime
+
 from .common import InfoExtractor
 from .redge import RedCDNLivxIE
 from ..utils import (
     clean_html,
+    join_nonempty,
     js_to_json,
     strip_or_none,
-    traverse_obj,
     update_url_query,
 )
-
-import datetime
+from ..utils.traversal import traverse_obj
 
 
 def is_dst(date):
-    year = date.year
-    # last sunday of march and october, respectively. might break on switch days.
-    dst_start = datetime.datetime(year, 3, 31, 2) - datetime.timedelta(days=(datetime.datetime(year, 3, 31).weekday() + 1) % 7)
-    dst_end = datetime.datetime(year, 10, 31, 3) - datetime.timedelta(days=(datetime.datetime(year, 10, 31).weekday() + 1) % 7)
-    return dst_start <= date <= dst_end
+    last_march = datetime.datetime(date.year, 3, 31)
+    last_october = datetime.datetime(date.year, 10, 31)
+    last_sunday_march = last_march - datetime.timedelta(days=last_march.isoweekday() % 7)
+    last_sunday_october = last_october - datetime.timedelta(days=last_october.isoweekday() % 7)
+    return last_sunday_march.replace(hour=2) <= date <= last_sunday_october.replace(hour=3)
 
 
 def rfc3339_to_atende(date):
@@ -139,7 +140,7 @@ class SejmIE(InfoExtractor):
             video_id)
         params = data['params']
 
-        title = data['title'].strip()
+        title = strip_or_none(data.get('title'))
 
         if data.get('status') == 'VIDEO_ENDED':
             live_status = 'was_live'
@@ -186,7 +187,7 @@ class SejmIE(InfoExtractor):
                     '_type': 'url_transparent',
                     'ie_key': RedCDNLivxIE.ie_key(),
                     'id': stream_id,
-                    'title': f'{title} - {stream_id}',
+                    'title': join_nonempty(title, stream_id, delim=' - '),
                 })
 
         cameras = self._search_json(