Remove explicit object inheritance

sprockets/http/app.py

@@ -5,7 +5,7 @@ import sys
 from tornado import concurrent, web
 
 
-class _ShutdownHandler(object):
+class _ShutdownHandler:
     """Keeps track of the application state during shutdown."""
 
     def __init__(self, io_loop):
@@ -48,7 +48,7 @@ class _ShutdownHandler(object):
             self.logger.info('stopped IOLoop')
 
 
-class CallbackManager(object):
+class CallbackManager:
     """
     Application state management.
 

sprockets/http/mixins.py

@@ -17,7 +17,7 @@ def _get_http_reason(status_code):
     return httputil.responses.get(status_code, 'Unknown')
 
 
-class LoggingHandler(object):
+class LoggingHandler:
     """
     Add ``self.logger``.
 
@@ -37,7 +37,7 @@ class LoggingHandler(object):
             self.logger = logging.getLogger(self.__class__.__name__)
 
 
-class ErrorLogger(LoggingHandler, object):
+class ErrorLogger(LoggingHandler):
     """
     Log a message in ``send_error``.
 
@@ -74,7 +74,7 @@ class ErrorLogger(LoggingHandler, object):
         super(ErrorLogger, self).write_error(status_code, **kwargs)
 
 
-class ErrorWriter(object):
+class ErrorWriter:
     """
     Write error bodies out consistently.
 

sprockets/http/runner.py

@@ -16,7 +16,7 @@ from tornado import httpserver, ioloop
 import sprockets.http.app
 
 
-class Runner(object):
+class Runner:
     """
     HTTP service runner.