change exception hierarchy

ElectricalBoy · ElectricalBoy · commit 3e5ea9ada274 · 2026-03-18T12:36:47.000+09:00
diff --git a/src/lpdb_python/session.py b/src/lpdb_python/session.py
@@ -74,7 +74,7 @@ class LpdbResponse(TypedDict):
     """
 
 
-class LpdbError(Exception):
+class LpdbError(IOError):
     """
     Raised when the LPDB request created a fatal issue.
     """
