Collections are now base objects

So no need for this check anymore.

refs #774 and reverts a change of 9c5326c0

weboob/core/bcall.py

@@ -24,7 +24,6 @@ from copy import copy
 from threading import Thread, Event, RLock, Timer
 
 from weboob.capabilities.base import CapBaseObject
-from weboob.capabilities.collection import Collection
 from weboob.tools.misc import get_backtrace
 from weboob.tools.log import getLogger
 
@@ -93,7 +92,6 @@ class BackendsCall(object):
             if isinstance(result, CapBaseObject):
                 if self.condition and not self.condition.is_valid(result):
                     return
-            if isinstance(result, (CapBaseObject, Collection)):
                 result.backend = backend.name
             self.responses.append((backend, result))
             self.response_event.set()