[puhutv] checked with flake8 and fixed

youtube_dl/extractor/puhutv.py

@@ -5,7 +5,6 @@ from .common import InfoExtractor
 from ..compat import compat_str
 from ..utils import (
     int_or_none,
-    ExtractorError,
     float_or_none,
     determine_ext
 )
@@ -65,9 +64,9 @@ class PuhuTVIE(InfoExtractor):
     ]
     IE_NAME = 'puhutv'
     _SUBTITLE_LANGS = {  # currently supported for some series
-        'English':'en',
+        'English': 'en',
-        'Deutsch':'de',
+        'Deutsch': 'de',
-        'عربى':'ar'
+        'عربى': 'ar'
     }
 
     def _real_extract(self, url):
@@ -110,7 +109,7 @@ class PuhuTVIE(InfoExtractor):
             tags.append(tag.get('name'))
 
         thumbnails = []
-        for id,url in thumbnails_list.items():
+        for id, url in thumbnails_list.items():
             thumbnails.append({
                 'url': url,
                 'id': id
@@ -136,7 +135,7 @@ class PuhuTVIE(InfoExtractor):
             media_url = format.get('url')
             ext = format.get('video_format')
             quality = format.get('quality')
-            if ext == 'mp4' and format.get('is_playlist') == False:
+            if ext == 'mp4' and format.get('is_playlist') is False:
                 formats.append({
                     'url': media_url,
                     'format_id': 'http-%s' % quality,
@@ -198,7 +197,7 @@ class PuhuTVSerieIE(InfoExtractor):
             season_number = season.get('position')
             pagenum = 1
             has_more = True
-            while has_more == True:
+            while has_more is True:
                 query = {
                     'page': pagenum,
                     'per': 40,