diff --git a/tests/monster_test_generated.py b/tests/monster_test_generated.py
index 71e266d..0fa2140 100644
--- a/tests/monster_test_generated.py
+++ b/tests/monster_test_generated.py
@@ -543,6 +543,73 @@
         return CreateStructOfStructs(builder, self.a.id, self.a.distance, self.b.a, self.b.b, self.c.id, self.c.distance)
 
 
+class StructOfStructsOfStructs(object):
+    __slots__ = ['_tab']
+
+    @classmethod
+    def SizeOf(cls):
+        return 20
+
+    # StructOfStructsOfStructs
+    def Init(self, buf, pos):
+        self._tab = flatbuffers.table.Table(buf, pos)
+
+    # StructOfStructsOfStructs
+    def A(self, obj):
+        obj.Init(self._tab.Bytes, self._tab.Pos + 0)
+        return obj
+
+
+def CreateStructOfStructsOfStructs(builder, a_a_id, a_a_distance, a_b_a, a_b_b, a_c_id, a_c_distance):
+    builder.Prep(4, 20)
+    builder.Prep(4, 20)
+    builder.Prep(4, 8)
+    builder.PrependUint32(a_c_distance)
+    builder.PrependUint32(a_c_id)
+    builder.Prep(2, 4)
+    builder.Pad(1)
+    builder.PrependInt8(a_b_b)
+    builder.PrependInt16(a_b_a)
+    builder.Prep(4, 8)
+    builder.PrependUint32(a_a_distance)
+    builder.PrependUint32(a_a_id)
+    return builder.Offset()
+
+try:
+    from typing import Optional
+except:
+    pass
+
+class StructOfStructsOfStructsT(object):
+
+    # StructOfStructsOfStructsT
+    def __init__(self):
+        self.a = None  # type: Optional[StructOfStructsT]
+
+    @classmethod
+    def InitFromBuf(cls, buf, pos):
+        structOfStructsOfStructs = StructOfStructsOfStructs()
+        structOfStructsOfStructs.Init(buf, pos)
+        return cls.InitFromObj(structOfStructsOfStructs)
+
+    @classmethod
+    def InitFromObj(cls, structOfStructsOfStructs):
+        x = StructOfStructsOfStructsT()
+        x._UnPack(structOfStructsOfStructs)
+        return x
+
+    # StructOfStructsOfStructsT
+    def _UnPack(self, structOfStructsOfStructs):
+        if structOfStructsOfStructs is None:
+            return
+        if structOfStructsOfStructs.A(StructOfStructs()) is not None:
+            self.a = StructOfStructsT.InitFromObj(structOfStructsOfStructs.A(StructOfStructs()))
+
+    # StructOfStructsOfStructsT
+    def Pack(self, builder):
+        return CreateStructOfStructsOfStructs(builder, self.a.a.id, self.a.a.distance, self.a.b.a, self.a.b.b, self.a.c.id, self.a.c.distance)
+
+
 class Stat(object):
     __slots__ = ['_tab']