1 files changed, 13 insertions, 0 deletions
diff --git a/lib/utils.py b/lib/utils.py
index d28ecda..adcb534 100644
--- a/lib/utils.py
+++ b/lib/utils.py
@@ -1,3 +1,4 @@
+import json
 import numpy as np
 import re
 import logging
@@ -6,6 +7,18 @@ arg_support_enabled = True
 logger = logging.getLogger(__name__)
 
 
+class NpEncoder(json.JSONEncoder):
+    def default(self, obj):
+        if isinstance(obj, np.integer):
+            return int(obj)
+        elif isinstance(obj, np.floating):
+            return float(obj)
+        elif isinstance(obj, np.ndarray):
+            return obj.tolist()
+        else:
+            return super(NpEncoder, self).default(obj)
+
+
 def running_mean(x: np.ndarray, N: int) -> np.ndarray:
     """
     Compute `N` elements wide running average over `x`.