|  | @@ -19,7 +19,6 @@ from kombu.utils import cached_property, fxrange, reprcall, uuid
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				|  |  |  from vine import barrier
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				|  |  |  from celery._state import current_app
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				|  |  | -from celery.five import python_2_unicode_compatible
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				|  |  |  from celery.local import try_import
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				|  |  |  from celery.result import GroupResult
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				|  |  |  from celery.utils import abstract
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				|  | @@ -117,7 +116,6 @@ def _upgrade(fields, sig):
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				|  |  |  
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				|  |  |  
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				|  |  |  @abstract.CallableSignature.register
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				|  |  | -@python_2_unicode_compatible
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				|  |  |  class Signature(dict):
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				|  |  |      """Class that wraps the arguments and execution options
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				|  |  |      for a single task invocation.
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				|  | @@ -503,7 +501,6 @@ class Signature(dict):
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				|  |  |  
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				|  |  |  
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				|  |  |  @Signature.register_type
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				|  |  | -@python_2_unicode_compatible
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				|  |  |  class chain(Signature):
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				|  |  |      """Chains tasks together, so that each tasks follows each other
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				|  |  |      by being applied as a callback of the previous task.
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				|  | @@ -768,7 +765,6 @@ class _basemap(Signature):
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				|  |  |  
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				|  |  |  
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				|  |  |  @Signature.register_type
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				|  |  | -@python_2_unicode_compatible
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				|  |  |  class xmap(_basemap):
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				|  |  |      _task_name = 'celery.map'
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				|  |  |  
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				|  | @@ -779,7 +775,6 @@ class xmap(_basemap):
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				|  |  |  
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				|  |  |  
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				|  |  |  @Signature.register_type
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				|  |  | -@python_2_unicode_compatible
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				|  |  |  class xstarmap(_basemap):
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				|  |  |      _task_name = 'celery.starmap'
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				|  |  |  
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				|  | @@ -842,7 +837,6 @@ def _maybe_group(tasks, app):
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				|  |  |  
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				|  |  |  
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				|  |  |  @Signature.register_type
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				|  |  | -@python_2_unicode_compatible
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				|  |  |  class group(Signature):
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				|  |  |      """Creates a group of tasks to be executed in parallel.
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				|  | @@ -1068,7 +1062,6 @@ class group(Signature):
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				|  |  |  
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				|  |  |  
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				|  |  |  @Signature.register_type
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				|  |  | -@python_2_unicode_compatible
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				|  |  |  class chord(Signature):
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				|  |  |      """Barrier synchronization primitive.
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