actually look for tip not attached error

Opentrons · Nov 20, 2024 · b295e11 · b295e11
1 parent 8ab5cfd
commit b295e11
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/api/src/opentrons/protocol_engine/state/pipettes.py b/api/src/opentrons/protocol_engine/state/pipettes.py
@@ -787,7 +787,7 @@ def lookup_volume_to_mm_conversion(
         """Get the volumn to mm conversion for a pipette."""
         try:
             lookup_volume = self.get_working_volume(pipette_id)
-        except errors.TipAttachedError:
+        except errors.TipNotAttachedError:
             lookup_volume = self.get_maximum_volume(pipette_id)
 
         pipette_config = self.get_config(pipette_id)