Loosen checks on numeric values

Closes #163 (closed)

arkindex_worker/worker/metadata.py

@@ -152,10 +152,9 @@ class MetaDataMixin(object):
                 metadata.get("name"), str
             ), "name shouldn't be null and should be of type str"
 
-            value = metadata.get("value")
-            assert value is not None and isinstance(
-                value, (str, float, int) and 0 <= value <= 1
-            ), "value shouldn't be null and should be of type (str or float or int) in [0..1] range"
+            assert metadata.get("value") is not None and isinstance(
+                metadata.get("value"), (str, float, int)
+            ), "value shouldn't be null and should be of type (str or float or int)"
 
             assert metadata.get("entity_id") is None or isinstance(
                 metadata.get("entity_id"), str