[cleanup] Minor fixes (#4096)

Authored by: christoph-heinrich

yt_dlp/extractor/common.py

@@ -909,7 +909,7 @@ class InfoExtractor:
             dump = base64.b64encode(webpage_bytes).decode('ascii')
             self._downloader.to_screen(dump)
         if self.get_param('write_pages'):
-            filename = self._request_dump_filename(video_id, urlh.geturl())
+            filename = self._request_dump_filename(urlh.geturl(), video_id)
             self.to_screen(f'Saving request to {filename}')
             with open(filename, 'wb') as outf:
                 outf.write(webpage_bytes)
@@ -940,7 +940,7 @@ class InfoExtractor:
             if fatal:
                 raise ExtractorError(errmsg, cause=ve)
             else:
-                self.report_warning(errmsg + str(ve))
+                self.report_warning(f'{errmsg}: {ve}')
 
     def _parse_socket_response_as_json(self, data, video_id, transform_source=None, fatal=True):
         return self._parse_json(

yt_dlp/extractor/openload.py

@@ -216,10 +216,10 @@ class PhantomJSwrapper:
             [self.exe, '--ssl-protocol=any', self._TMP_FILES['script'].name],
             text=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
         if returncode:
-            raise ExtractorError(f'Executing JS failed\n:{stderr}')
+            raise ExtractorError(f'Executing JS failed:\n{stderr}')
         with open(self._TMP_FILES['html'].name, 'rb') as f:
             html = f.read().decode('utf-8')
 
         self._load_cookies()
 
-        return (html, stdout)
+        return html, stdout