--- a/src/iconolab/search_indexes/query.py	Fri May 19 15:39:00 2017 +0200
+++ b/src/iconolab/search_indexes/query.py	Fri May 19 15:41:53 2017 +0200
@@ -3,15 +3,15 @@
 from pprint import pprint
 
 class IconolabRelatedQuerySet(RelatedSearchQuerySet):
-	def __init__(self, using=None, query=None):
-		super(IconolabRelatedQuerySet, self).__init__(using=using, query=query)
+    def __init__(self, using=None, query=None):
+        super(IconolabRelatedQuerySet, self).__init__(using=using, query=query)
 
-	def in_bulk(self, ids):
-		results = {}
-		int_ids = [ int(id) for id in ids]
-		annotations = Annotation.objects.filter(pk__in = int_ids)
-		
-		for annotation in annotations:
-			results[annotation.pk] = annotation
-			
-		return results
+    def in_bulk(self, ids):
+        results = {}
+        int_ids = [ int(id) for id in ids]
+        annotations = Annotation.objects.filter(pk__in = int_ids)
+
+        for annotation in annotations:
+            results[annotation.pk] = annotation
+
+        return results

--- a/src/iconolab/search_indexes/signals.py	Fri May 19 15:39:00 2017 +0200
+++ b/src/iconolab/search_indexes/signals.py	Fri May 19 15:41:53 2017 +0200
@@ -9,18 +9,18 @@
 # update / create new index when a new revision is accepted
 # Then update images tags related to this revision
 class RevisionSignalProcessor(signals.BaseSignalProcessor):
-	
-	def setup(self):
-		revision_created.connect(self.handle_revision, sender=AnnotationRevision)
-		revision_accepted.connect(self.handle_revision, sender=AnnotationRevision)
+
+    def setup(self):
+        revision_created.connect(self.handle_revision, sender=AnnotationRevision)
+        revision_accepted.connect(self.handle_revision, sender=AnnotationRevision)
 
-	def handle_revision(self, **kwargs):
-		revision_instance = kwargs.get("instance", None)
-		if revision_instance and revision_instance.state in [AnnotationRevision.ACCEPTED]:
-			annotation = revision_instance.annotation
-			image_annotation = revision_instance.annotation.image
-			self.handle_save(Annotation, annotation) 
-			self.handle_save(Image, image_annotation)##useful for tag		
+    def handle_revision(self, **kwargs):
+        revision_instance = kwargs.get("instance", None)
+        if revision_instance and revision_instance.state in [AnnotationRevision.ACCEPTED]:
+            annotation = revision_instance.annotation
+            image_annotation = revision_instance.annotation.image
+            self.handle_save(Annotation, annotation)
+            self.handle_save(Image, image_annotation)##useful for tag
 
-	def teardown(self):
-		revision_accepted.disconnect(self.handle_accepted_revision, sender=AnnotationRevision)
\ No newline at end of file
+    def teardown(self):
+        revision_accepted.disconnect(self.handle_accepted_revision, sender=AnnotationRevision)