Add gargantext.models.base.Index in base.__all__

gargantext/models/base.py

@@ -6,7 +6,7 @@ from sqlalchemy.dialects.postgresql import JSONB, DOUBLE_PRECISION as Double
 from sqlalchemy.ext.mutable import MutableDict, MutableList
 from sqlalchemy.ext.declarative import declarative_base
 
-__all__ = ["Column", "ForeignKey", "UniqueConstraint", "relationship",
+__all__ = ["Column", "ForeignKey", "UniqueConstraint", "Index", "relationship",
            "validates", "ValidatorMixin",
            "Integer", "Float", "Boolean", "DateTime", "String", "Text",
            "TypeDecorator",