Cosmetics

celery/datastructures.py

@@ -215,7 +215,7 @@ class AttributeDictMixin(object):
             return self[k]
         except KeyError:
             raise AttributeError(
-                "{0!r} object has no attribute {1!r}".format(
+                '{0!r} object has no attribute {1!r}'.format(
                     type(self).__name__, k))
 
     def __setattr__(self, key, value):

celery/tests/concurrency/test_eventlet.py

@@ -41,7 +41,7 @@ class EventletCase(Case):
 class test_aaa_eventlet_patch(EventletCase):
 
     def test_aaa_is_patched(self):
-        raise SkipTest("side effects")
+        raise SkipTest('side effects')
         monkey_patched = []
         prev_monkey_patch = self.eventlet.monkey_patch
         self.eventlet.monkey_patch = lambda: monkey_patched.append(True)

celery/utils/dispatch/saferef.py

@@ -23,12 +23,12 @@ def safe_ref(target, on_delete=None):  # pragma: no cover
         goes out of scope with the reference object, (either a
         :class:`weakref.ref` or a :class:`BoundMethodWeakref`) as argument.
     """
-    if getattr(target, "im_self", None) is not None:
+    if getattr(target, 'im_self', None) is not None:
         # Turn a bound method into a BoundMethodWeakref instance.
         # Keep track of these instances for lookup by disconnect().
         assert hasattr(target, 'im_func'), \
-            """safe_ref target {0!r} has im_self, but no im_func, " \
-            "don't know how to create reference""".format(target)
+            """safe_ref target {0!r} has im_self, but no im_func: \
+            don't know how to create reference""".format(target)
         return get_bound_method_weakref(target=target,
                                         on_delete=on_delete)
     if callable(on_delete):
@@ -142,8 +142,8 @@ class BoundMethodWeakref(object):  # pragma: no cover
                     try:
                         traceback.print_exc()
                     except AttributeError:
-                        print("Exception during saferef {0} cleanup function "
-                              "{1}: {2}".format(self, function, exc))
+                        print('Exception during saferef {0} cleanup function '
+                              '{1}: {2}'.format(self, function, exc))
 
         self.deletion_methods = [on_delete]
         self.key = self.calculate_key(target)
@@ -163,7 +163,7 @@ class BoundMethodWeakref(object):  # pragma: no cover
 
     def __str__(self):
         """Give a friendly representation of the object"""
-        return """{0}( {1}.{2} )""".format(
+        return '{0}( {1}.{2} )'.format(
             type(self).__name__,
             self.self_name,
             self.func_name,
@@ -212,7 +212,7 @@ class BoundNonDescriptorMethodWeakref(BoundMethodWeakref):  # pragma: no cover
         ...     pass
 
         >>> def foo(self):
-        ...     return "foo"
+        ...     return 'foo'
         >>> A.bar = foo
 
     But this shouldn't be a common use case. So, on platforms where methods

celery/utils/timeutils.py

@@ -52,8 +52,7 @@ _local_timezone = None
 
 
 class LocalTimezone(tzinfo):
-    """
-    Local time implementation taken from Python's docs.
+    """Local time implementation taken from Python's docs.
 
     Used only when pytz isn't available, and most likely inaccurate. If you're
     having trouble with this class, don't waste your time, just install pytz.
@@ -71,7 +70,7 @@ class LocalTimezone(tzinfo):
         tzinfo.__init__(self)
 
     def __repr__(self):
-        return "<LocalTimezone>"
+        return '<LocalTimezone>'
 
     def utcoffset(self, dt):
         if self._isdst(dt):