Fix read_attrs for "=" in value

wrappers/modelverse.py

@@ -617,8 +617,8 @@ def read_attrs(model_name, ID):
             pass
         while (_output() != "Please give your command."):
             r = _last_output()
-            key, value = r.split(":")
-            _, value = value.split("=")
+            key, value = r.split(":", 1)
+            _, value = value.split("=", 1)
             key = json.loads(key.strip())
             value = value.strip()
             if value == "None":