[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
 )
@@ -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,