[cleanup] Misc

yt_dlp/utils.py

@@ -2408,7 +2408,7 @@ def __init__(self, msg, tb=None, expected=False, cause=None, video_id=None, ie=N
         if sys.exc_info()[0] in network_exceptions:
             expected = True
 
-        self.msg = msg
+        self.msg = str(msg)
         self.traceback = tb
         self.expected = expected
         self.cause = cause
@@ -2419,7 +2419,7 @@ def __init__(self, msg, tb=None, expected=False, cause=None, video_id=None, ie=N
         super(ExtractorError, self).__init__(''.join((
             format_field(ie, template='[%s] '),
             format_field(video_id, template='%s: '),
-            msg,
+            self.msg,
             format_field(cause, template=' (caused by %r)'),
             '' if expected else bug_reports_message())))