fixed pep8 in apps

applications/examples/controllers/default.py

@@ -9,65 +9,81 @@ response.description = T('web2py Web Framework')
 session.forget()
 cache_expire = not request.is_local and 300 or 0
 
+
 @cache('index', time_expire=cache_expire)
 def index():
     return response.render()
 
+
 @cache('what', time_expire=cache_expire)
 def what():
-    import urllib;
+    import urllib
     try:
-        images = XML(urllib.urlopen('http://web2py.com/poweredby/default/images').read())
+        images = XML(urllib.urlopen(
+            'http://web2py.com/poweredby/default/images').read())
     except:
         images = []
     return response.render(images=images)
 
+
 @cache('download', time_expire=cache_expire)
 def download():
     return response.render()
 
+
 @cache('who', time_expire=cache_expire)
 def who():
     return response.render()
 
+
 @cache('support', time_expire=cache_expire)
 def support():
     return response.render()
 
+
 @cache('documentation', time_expire=cache_expire)
 def documentation():
     return response.render()
 
+
 @cache('usergroups', time_expire=cache_expire)
 def usergroups():
     return response.render()
 
+
 def contact():
-    redirect(URL('default','usergroups'))
+    redirect(URL('default', 'usergroups'))
+
 
 @cache('videos', time_expire=cache_expire)
 def videos():
     return response.render()
 
+
 def security():
     redirect('http://www.web2py.com/book/default/chapter/01#security')
 
+
 def api():
     redirect('http://web2py.com/book/default/chapter/04#API')
 
+
 @cache('license', time_expire=cache_expire)
 def license():
     import os
     filename = os.path.join(request.env.gluon_parent, 'LICENSE')
     return response.render(dict(license=MARKMIN(read_file(filename))))
 
+
 def version():
     return 'Version %s.%s.%s (%s) %s' % request.env.web2py_version
 
+
 @cache('examples', time_expire=cache_expire)
 def examples():
     return response.render()
 
+
 @cache('changelog', time_expire=cache_expire)
 def changelog():
     import os