Return OrderedPair from Jobresultbuilder class

flojoy/job_result_builder.py

@@ -1,4 +1,4 @@
-from .data_container import DataContainer
+from .data_container import DataContainer, OrderedPair
 import numpy as np
 from typing import Union
 from .flojoy_instruction import FLOJOY_INSTRUCTION
@@ -67,4 +67,4 @@ def build(self):
     def get_default_data(self) -> DataContainer:
         x = np.arange(0, 1000, 1)  # type:ignore
         y = np.ones_like(x)
-        return DataContainer(x=x, y=y)
+        return OrderedPair(x=x, y=y)

flojoy/small_memory.py

@@ -1,4 +1,3 @@
-# import os, sys
 from typing import Any
 from .dao import Dao
 
@@ -61,7 +60,7 @@ def read_memory(self, job_id: str, key: str):
             case "dict":
                 return self.dao.get_obj(memory_key)
             case "np_array":
-                return self.dao.get_np_array(memory_key, meta_data)
+                return self.dao.get_np_array(memory_key)
             case "pd_dframe":
                 return self.dao.get_pd_dataframe(memory_key)
             case _: