diff --git a/yt_dlp/extractor/fptplay.py b/yt_dlp/extractor/fptplay.py
index bf5d5ba4b..05bffcefa 100644
--- a/yt_dlp/extractor/fptplay.py
+++ b/yt_dlp/extractor/fptplay.py
@@ -1,13 +1,11 @@
 import hashlib
 import time
 import urllib.parse
-
 from .common import InfoExtractor
 from ..utils import (
     ExtractorError,
     int_or_none,
 )
-   
 class FptplayIE(InfoExtractor):
     _VALID_URL = r'https?://fptplay\.vn/xem-video/[^/]+\-(?P<id>[a-f0-9]+)'
     _GEO_COUNTRIES = ['VN']
@@ -37,7 +35,6 @@ class FptplayIE(InfoExtractor):
             'duration': '2665',
         },
     }]
-
     def _real_extract(self, url):
         contentId = self._match_id(url)
         # Need valid cookie with Bearer token, else it won't work
@@ -62,17 +59,13 @@ def _real_extract(self, url):
         else:
             # playlist
             entries = []
-            for episode in res['result']['episodes']:
-                
+            for episode in res['result']['episodes']:  
                 if episode['is_trailer'] == 1:
                     continue
-                
                 manifest = self._download_json(self.get_api_with_st_token(contentId, episode['_id']), episode['_id'], headers={'authorization': f'Bearer {token.value}'}, expected_status=406)
                 if manifest.get('msg') != 'success':
                     raise ExtractorError(f" - Got an error, response: {manifest.get('msg')}", expected=True)
-                    
                 formats, subtitles = self._extract_m3u8_formats_and_subtitles(manifest['data']['url'], episode['_id'])
-                
                 entry = {
                     'id': episode['ref_episode_id'],
                     'title': res['result']['title_origin'] if res['result']['title_origin'] else res['result']['title_vie'],
@@ -87,14 +80,12 @@ def _real_extract(self, url):
                     'subtitles': subtitles,
                 }
                 entries.append(entry)
-            
             return {
                 '_type': 'playlist',
                 'id': contentId,
                 'title': res['result']['title_origin'] if res['result']['title_origin'] else res['result']['title_vie'],
                 'entries': entries,
             }
-
     def get_api_with_st_token(self, video_id, episode=None):
         if episode is not None:
             path = f'/api/v7.1_w/stream/vod/{video_id}/{0 if episode is None else episode}/adaptive_bitrate'
@@ -104,7 +95,6 @@ def get_api_with_st_token(self, video_id, episode=None):
         t = hashlib.md5(f'6ea6d2a4e2d3a4bd5e275401aa086d{timestamp}{path}'.encode()).hexdigest().upper()
         r = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'
         n = [int(f'0x{t[2 * o: 2 * o + 2]}', 16) for o in range(len(t) // 2)]
-
         def convert(e):
             t = ''
             n = 0
@@ -139,6 +129,5 @@ def convert(e):
                     t += ''
                     n += 1
             return t
-
         st_token = convert(n).replace('+', '-').replace('/', '_').replace('=', '')
         return f"https://api.fptplay.net{path}?{urllib.parse.urlencode({'st': st_token, 'e': timestamp})}"