Fix linter

yt_dlp/YoutubeDL.py

@@ -3148,8 +3148,7 @@ class YoutubeDL:
                 fd, success = None, True
                 if info_dict.get('protocol') or info_dict.get('url'):
                     fd = get_suitable_downloader(info_dict, self.params, to_stdout=temp_filename == '-')
-                    if not(fd is FFmpegFD or fd is DashSegmentsFD) and 'no-direct-merge' not in self.params['compat_opts'] and (
+                    if not (fd is FFmpegFD or fd is DashSegmentsFD) and 'no-direct-merge' not in self.params['compat_opts'] and (info_dict.get('section_start') or info_dict.get('section_end')):
-                        info_dict.get('section_start') or info_dict.get('section_end')):
                         msg = ('This format cannot be partially downloaded' if FFmpegFD.available()
                                else 'You have requested downloading the video partially, but ffmpeg is not installed')
                         self.report_error(f'{msg}. Aborting')

yt_dlp/utils.py

@@ -1869,7 +1869,7 @@ def unified_timestamp(date_str, day_first=True, with_milliseconds=False):
     for expression in date_formats(day_first):
         with contextlib.suppress(ValueError):
             dt = datetime.datetime.strptime(date_str, expression) - timezone + datetime.timedelta(hours=pm_delta)
-            return calendar.timegm(dt.timetuple()) + (dt.microsecond/1e6 if with_milliseconds else 0)
+            return calendar.timegm(dt.timetuple()) + (dt.microsecond / 1e6 if with_milliseconds else 0)
 
     timetuple = email.utils.parsedate_tz(date_str)
     if timetuple: