Merge pull request #1 from yamat124/yamat124-patch-1

Update converter.py

Author: yahiramat2484

graphene_sqlalchemy/converter.py

@@ -11,7 +11,7 @@
 from .fields import SQLAlchemyConnectionField
 
 try:
-    from sqlalchemy_utils import ChoiceType, JSONType, ScalarListType
+    from sqlalchemy_utils import ChoiceType, JSONType, ScalarListType, TSVectorType
 except ImportError:
     class ChoiceType(object):
         pass
@@ -97,6 +97,7 @@ def convert_sqlalchemy_type(type, column, registry=None):
 @convert_sqlalchemy_type.register(types.Enum)
 @convert_sqlalchemy_type.register(postgresql.ENUM)
 @convert_sqlalchemy_type.register(postgresql.UUID)
+@convert_sqlalchemy_type.register(TSVectorType)
 def convert_column_to_string(type, column, registry=None):
     return String(description=get_column_doc(column),
                   required=not(is_column_nullable(column)))