diff --git a/bigchaindb/core.py b/bigchaindb/core.py
index 71382670..32d50216 100644
--- a/bigchaindb/core.py
+++ b/bigchaindb/core.py
@@ -147,7 +147,7 @@ class Bigchain(object):
             If no transaction with that `txid` was found it returns `None`
         """
 
-        response = r.table('bigchain').concat_map(lambda doc: doc['block']['transactions']) \
+        response = r.table('bigchain').concat_map(lambda doc: doc['block']['transactions'])\
             .filter(lambda transaction: transaction['id'] == txid).run(self.conn)
 
         # transaction ids should be unique
diff --git a/tests/db/test_bigchain_api.py b/tests/db/test_bigchain_api.py
index 84e0457a..47d02376 100644
--- a/tests/db/test_bigchain_api.py
+++ b/tests/db/test_bigchain_api.py
@@ -745,15 +745,24 @@ class TestBigchainBlock(object):
 
 
 class TestMultipleInputs(object):
-    def test_transfer_transaction_multiple(self, b):
+    def test_transfer_single_owners_single_input(self, b):
         pass
 
-    def test_transfer_single_input_from_multi_input(self, b):
+    def test_transfer_single_owners_multiple_inputs(self, b):
+        pass
+
+    def test_transfer_single_owners_single_input_from_multiple_outputs(self, b):
+        pass
+
+    def test_multiple_owners(self, b):
         pass
 
     def test_get_spent(self, b):
         pass
 
+    def test_get_owned_ids(self, b):
+        pass
+
 
 class TestCryptoconditions(object):
     def test_fulfillment_transaction_create(self, b, user_vk):