pep8 fixes, modernizations

autopep8 -a -r -i --select E711,E712,W601,W602,W603,W604,W690,E304,E401,E502 .
Also includes some manual reindentations (many are left after the print()
changes).
Manually checked, some modernizations not commited here.

modules/jvmalin/pages.py

@@ -142,7 +142,7 @@ class RoadmapPage(Page):
                                 if len(current_step['line']) > 0 and \
                                    len(current_step['departure']) > 0 and \
                                    len(current_step['arrival']) > 0:
-                                    current_step['line'] = to_unicode("%s : %s" % \
+                                    current_step['line'] = to_unicode("%s : %s" %
                                         (current_step['mode'], current_step['line']))
                                     del current_step['mode']
                                     yield current_step

modules/nolifetv/module.py

@@ -26,7 +26,8 @@ from weboob.tools.backend import Module, BackendConfig
 from .browser import NolifeTVBrowser
 from .video import NolifeTVVideo
 
-import urllib, time
+import urllib
+import time
 from hashlib import md5
 
 __all__ = ['NolifeTVModule']

modules/nolifetv/pages.py

@@ -69,7 +69,7 @@ class VideoPage(Page):
 
 class VideoListPage(Page):
     def is_list_empty(self):
-        return self.document.getroot() == None
+        return self.document.getroot() is None
 
     def iter_video(self, available_videos):
         for el in self.document.getroot().xpath('//li/a'):
@@ -101,7 +101,7 @@ class FamilyPage(Page):
 
             while True:
                 el = el.getnext()
-                if el == None or el.get('data-role'):
+                if el is None or el.get('data-role'):
                     break
                 h1 = el.find('.//h1')
                 id = h1.getparent().attrib['href']

modules/tvsubtitles/test.py

@@ -40,4 +40,4 @@ class TvsubtitlesTest(BackendTest):
         subtitles = list(self.backend.iter_subtitles('fr', 'sopranos'))
         assert (len(subtitles) > 0)
         subtitle = choice(subtitles)
-        assert self.backend.get_subtitle(subtitle.id)
+        assert self.backend.get_subtitle(subtitle.id)