drop leftover Python2 compatibility code

src/hupper/ipc.py

@@ -14,7 +14,7 @@
 
     from . import winapi
 
-    class ProcessGroup(object):
+    class ProcessGroup:
         def __init__(self):
             self.h_job = winapi.CreateJobObject(None, None)
 
@@ -65,7 +65,7 @@ def open_handle(handle, mode):
     import fcntl
     import termios
 
-    class ProcessGroup(object):
+    class ProcessGroup:
         def add_child(self, pid):
             # nothing to do on *nix
             pass
@@ -104,7 +104,7 @@ def Pipe():
     return c1, c2
 
 
-class Connection(object):
+class Connection:
     """
     A connection to a bi-directional pipe.
 

src/hupper/logger.py

@@ -1,4 +1,3 @@
-from __future__ import print_function
 import sys
 
 from .interfaces import ILogger

src/hupper/reloader.py

@@ -25,7 +25,7 @@
     from . import winapi
 
 
-class FileMonitorProxy(object):
+class FileMonitorProxy:
     """
     Wrap an :class:`hupper.interfaces.IFileMonitor` into an object that
     exposes a thread-safe interface back to the reloader to detect
@@ -100,7 +100,7 @@ class WorkerResult:
     WAIT = 'wait'
 
 
-class Reloader(object):
+class Reloader:
     """
     A wrapper class around a file monitor which will handle changes by
     restarting a new worker process.

src/hupper/utils.py

@@ -7,7 +7,7 @@
 WIN = sys.platform == 'win32'
 
 
-class Sentinel(object):
+class Sentinel:
     def __init__(self, name):
         self.name = name
 

src/hupper/watchdog.py

@@ -1,5 +1,4 @@
 # check ``hupper.utils.is_watchdog_supported`` before using this module
-from __future__ import absolute_import
 import os.path
 import threading
 from watchdog.events import FileSystemEventHandler

src/hupper/worker.py

@@ -140,7 +140,7 @@ def iter_module_paths(modules=None):
                 yield abs_filename
 
 
-class Worker(object):
+class Worker:
     """A helper object for managing a worker process lifecycle."""
 
     def __init__(self, spec, args=None, kwargs=None):

tests/conftest.py

@@ -1,4 +1,3 @@
-from __future__ import print_function
 import pytest
 import sys
 

tests/test_reloader.py

@@ -19,7 +19,7 @@ def make_proxy(monitor_factory, callback, logger):
 
 
 def test_proxy_proxies(logger):
-    class DummyMonitor(object):
+    class DummyMonitor:
         started = stopped = joined = False
 
         def __call__(self, cb, **kw):
@@ -47,7 +47,7 @@ def join(self):
 
 
 def test_proxy_expands_paths(tmpdir, logger):
-    class DummyMonitor(object):
+    class DummyMonitor:
         def __call__(self, cb, **kw):
             self.cb = cb
             self.paths = []
@@ -74,7 +74,7 @@ def add_path(self, path):
 
 
 def test_proxy_tracks_changes(logger):
-    class DummyMonitor(object):
+    class DummyMonitor:
         def __call__(self, cb, **kw):
             self.cb = cb
             return self
@@ -100,7 +100,7 @@ def __call__(self, cb, **kw):
 
 
 def test_ignore_files():
-    class DummyMonitor(object):
+    class DummyMonitor:
         paths = set()
 
         def add_path(self, path):