sanity check

balogh.adam@icloud.com · balogh.adam@icloud.com · commit c3bd22577db7 · 2026-03-26T23:22:38.000-04:00
diff --git a/src/opengradient/client/opg_token.py b/src/opengradient/client/opg_token.py
@@ -177,7 +177,8 @@ def ensure_opg_allowance(
             was needed).
 
     Raises:
-        ValueError: If ``approve_amount`` is less than ``min_allowance``.
+        ValueError: If ``approve_amount`` is less than ``min_allowance``,
+            or if the wallet has zero OPG balance.
         RuntimeError: If the approval transaction fails.
     """
     if approve_amount is None:
