Some small updates (#1486)

* Some small updates

* Update QpidException super-call to Python 3 syntax.

docs/userguide/simple.rst

@@ -61,7 +61,7 @@ to produce and consume logging messages:
     from kombu import Connection
 
 
-    class Logger(object):
+    class Logger:
 
         def __init__(self, connection, queue_name='log_queue',
                 serializer='json', compression=None):

kombu/asynchronous/aws/sqs/queue.py

@@ -12,7 +12,7 @@ def list_first(rs):
     return rs[0] if len(rs) == 1 else None
 
 
-class AsyncQueue():
+class AsyncQueue:
     """Async SQS Queue."""
 
     def __init__(self, connection=None, url=None, message_class=AsyncMessage):

kombu/asynchronous/http/base.py

@@ -61,7 +61,7 @@ class Request:
         auth_password (str): Password for HTTP authentication.
         auth_mode (str): Type of HTTP authentication (``basic`` or ``digest``).
         user_agent (str): Custom user agent for this request.
-        network_interace (str): Network interface to use for this request.
+        network_interface (str): Network interface to use for this request.
         on_ready (Callable): Callback to be called when the response has been
             received. Must accept single ``response`` argument.
         on_stream (Callable): Optional callback to be called every time body

kombu/asynchronous/semaphore.py

@@ -12,18 +12,15 @@ class LaxBoundedSemaphore:
     range even if released more times than it was acquired.
 
     Example:
-        >>> from future import print_statement as printf
-        # ^ ignore: just fooling stupid pyflakes
-
         >>> x = LaxBoundedSemaphore(2)
 
-        >>> x.acquire(printf, 'HELLO 1')
+        >>> x.acquire(print, 'HELLO 1')
         HELLO 1
 
-        >>> x.acquire(printf, 'HELLO 2')
+        >>> x.acquire(print, 'HELLO 2')
         HELLO 2
 
-        >>> x.acquire(printf, 'HELLO 3')
+        >>> x.acquire(print, 'HELLO 3')
         >>> x._waiters   # private, do not access directly
         [print, ('HELLO 3',)]
 

t/unit/transport/test_qpid.py

@@ -33,7 +33,7 @@ class QpidException(Exception):
     """
 
     def __init__(self, code=None, text=None):
-        super(Exception, self).__init__(self)
+        super().__init__(self)
         self.code = code
         self.text = text