diff --git a/api/src/opentrons/hardware_control/backends/flex_protocol.py b/api/src/opentrons/hardware_control/backends/flex_protocol.py
index 05c416f20ba..4a7e28dc28b 100644
--- a/api/src/opentrons/hardware_control/backends/flex_protocol.py
+++ b/api/src/opentrons/hardware_control/backends/flex_protocol.py
@@ -396,3 +396,6 @@ def get_estop_state(self) -> EstopState:
 
     def add_estop_callback(self, cb: HardwareEventHandler) -> HardwareEventUnsubscriber:
         ...
+
+    def _update_tip_state(self, mount: OT3Mount, status: bool) -> None:
+        ...
diff --git a/api/src/opentrons/protocol_api/instrument_context.py b/api/src/opentrons/protocol_api/instrument_context.py
index 70a6132041e..dd2db1bfb44 100644
--- a/api/src/opentrons/protocol_api/instrument_context.py
+++ b/api/src/opentrons/protocol_api/instrument_context.py
@@ -1458,7 +1458,7 @@ def _retract(
     ) -> None:
         self._core.retract()
 
-    @property  # type: ignore
+    @property
     @requires_version(2, 0)
     def mount(self) -> str:
         """
diff --git a/hardware-testing/hardware_testing/gravimetric/__main__.py b/hardware-testing/hardware_testing/gravimetric/__main__.py
index f5e525131ab..d2b0f8e92c5 100644
--- a/hardware-testing/hardware_testing/gravimetric/__main__.py
+++ b/hardware-testing/hardware_testing/gravimetric/__main__.py
@@ -186,8 +186,8 @@ def _get_protocol_context(cls, args: argparse.Namespace) -> ProtocolContext:
             engine.state_view._labware_store._add_labware_offset(offset)
         return _ctx
 
-    @classmethod  # noqa: C901
-    def build_run_args(cls, args: argparse.Namespace) -> "RunArgs":
+    @classmethod
+    def build_run_args(cls, args: argparse.Namespace) -> "RunArgs":  # noqa: C901
         """Build."""
         _ctx = RunArgs._get_protocol_context(args)
         operator_name = helpers._get_operator_name(_ctx.is_simulating())
diff --git a/hardware-testing/hardware_testing/gravimetric/helpers.py b/hardware-testing/hardware_testing/gravimetric/helpers.py
index 9b6878d65f1..6ee5acccce6 100644
--- a/hardware-testing/hardware_testing/gravimetric/helpers.py
+++ b/hardware-testing/hardware_testing/gravimetric/helpers.py
@@ -40,6 +40,8 @@
     WellLocation,
     DropTipWellLocation,
 )
+
+
 def _add_fake_simulate(
     ctx: protocol_api.ProtocolContext, is_simulating: bool
 ) -> protocol_api.ProtocolContext:
@@ -233,10 +235,13 @@ def _override_add_current_volume(self, volume_incr: float) -> None:  # noqa: ANN
 def _override_ok_to_add_volume(self, volume_incr: float) -> bool:  # noqa: ANN001
     return True
 
-def _override_validate_aspirate_volume(state_view: StateView, pipette_id: str, aspirate_volume: float
+
+def _override_validate_asp_vol(
+    state_view: StateView, pipette_id: str, aspirate_volume: float
 ) -> float:
     return aspirate_volume
 
+
 def _override_check_deck_conflict_for_8_channel(
     engine_state: StateView,
     pipette_id: str,
@@ -246,6 +251,7 @@ def _override_check_deck_conflict_for_8_channel(
 ) -> None:
     return None
 
+
 def _override_software_supports_high_volumes() -> None:
     # yea so ok this is pretty ugly but this is super helpful for us
     # with this we don't need to apply patches, and can run the testing scripts
@@ -254,8 +260,11 @@ def _override_software_supports_high_volumes() -> None:
     Pipette.set_current_volume = _override_set_current_volume  # type: ignore[assignment]
     Pipette.ok_to_add_volume = _override_ok_to_add_volume  # type: ignore[assignment]
     Pipette.add_current_volume = _override_add_current_volume  # type: ignore[assignment]
-    PE_pipetting._validate_aspirate_volume = _override_validate_aspirate_volume  # type: ignore[assignment]
-    PE_deck_conflict._check_deck_conflict_for_8_channel = _override_check_deck_conflict_for_8_channel # type: ignore[assignment]
+    PE_pipetting._validate_aspirate_volume = _override_validate_asp_vol  # type: ignore[assignment]
+    PE_deck_conflict._check_deck_conflict_for_8_channel = (
+        _override_check_deck_conflict_for_8_channel
+    )  # type: ignore[assignment]
+
 
 def _get_channel_offset(cfg: config.VolumetricConfig, channel: int) -> Point:
     assert (
@@ -337,9 +346,12 @@ def _drop_tip(
         pipette.return_tip(home_after=False)
     else:
         if offset is not None:
-            #we don't actually need the offset, if this is an 8 channel we always center channel a1 over the back of the trash
-            trash_well = pipette.trash_container.well(0)
-            trash_container = trash_well.center().move(Point(0,trash_well.width/2,0))
+            # we don't actually need the offset, if this is an 8 channel we always center channel
+            # a1 over the back of the trash
+            trash_well = pipette.trash_container.well(0)  # type: ignore[union-attr]
+            trash_container = trash_well.center().move(
+                Point(0, trash_well.width / 2, 0)  # type: ignore[union-attr, operator]
+            )
             pipette.drop_tip(
                 trash_container,
                 home_after=False,