diff -r 81acd8021764 -r 96ddbedf93cb src/hdalab/models/__init__.py
--- a/src/hdalab/models/__init__.py	Mon Mar 09 11:03:57 2015 +0100
+++ b/src/hdalab/models/__init__.py	Mon Mar 09 11:05:44 2015 +0100
@@ -3,4 +3,6 @@
 from hdalab.models.dataviz import TagYears, Country, GeoInclusion, TagLinks, DbpediaFields, HdaSession, InseeCoords, DatasheetExtras, DbpediaFieldsTranslation
 from hdalab.models.renkan import HdalabRenkan, HdalabRenkanStateTransition
 
-__all__ = ['WpCategory', 'InfoboxParameter', 'TagInfobox', 'TagWpCategory', 'TagYears', 'Country', 'GeoInclusion', 'TagLinks', 'DbpediaFields', 'DbpediaFieldsTranslation', 'HdaSession', 'InseeCoords', 'DatasheetExtras', 'WpCategoryInclusion', 'HdalabRenkan', 'HdalabRenkanStateTransition']
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+__all__ = ['WpCategory', 'InfoboxParameter', 'TagInfobox', 'TagWpCategory', 'TagYears', 'Country', 'GeoInclusion', 'TagLinks', 'DbpediaFields', 'DbpediaFieldsTranslation', 'HdaSession', 'InseeCoords', 'DatasheetExtras', 'WpCategoryInclusion', 'HdalabRenkan', 'HdalabRenkanStateTransition']
+
+import hdalab.signals
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