More tests for quantities

Author: rprospero

sasdata/quantities/math_operations_test.py

@@ -15,12 +15,12 @@ def numerical_encode(obj: int | float | np.ndarray | coo_matrix | coo_array | cs
 
     elif isinstance(obj, float):
         return {"type": "float",
-                "value": base64.b64encode(bytearray(struct.pack('d', obj)))}
+                "value": base64.b64encode(bytearray(struct.pack('d', obj))).decode("utf-8")}
 
     elif isinstance(obj, np.ndarray):
         return {
             "type": "numpy",
-            "value": base64.b64encode(obj.tobytes()),
+            "value": base64.b64encode(obj.tobytes()).decode("utf-8"),
             "dtype": obj.dtype.str,
             "shape": list(obj.shape)
         }