minor cleanup

Opentrons · Jul 1, 2024 · 311b42c · 311b42c
1 parent 48d6d10
commit 311b42c
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/api/src/opentrons/protocol_api/instrument_context.py b/api/src/opentrons/protocol_api/instrument_context.py
@@ -2071,6 +2071,9 @@ def require_liquid(self, well: labware.Well) -> None:
 
         :returns: None.
         """
+        if well is None:
+            raise WellDoesNotExistError
+
         try:
             self._core.find_liquid_level(well._core)
         except Exception as e:
@@ -2082,6 +2085,9 @@ def get_liquid_height(self, well: labware.Well) -> float:
 
         :returns: A float representing the height of the liquid.
         """
+        if well is None:
+            raise WellDoesNotExistError
+
         try:
             height = self._core.find_liquid_level(well._core)
             return float(height)