add serial.flush before sending command

Opentrons · Nov 27, 2024 · 92a823c · 92a823c
1 parent 2c45c59
commit 92a823c
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Showing 2 changed files with 2 additions and 3 deletions.
diff --git a/hardware-testing/hardware_testing/modules/flex_stacker_evt_qc/driver.py b/hardware-testing/hardware_testing/modules/flex_stacker_evt_qc/driver.py
@@ -122,6 +122,7 @@ def __init__(self, port: str, simulating: bool = False) -> None:
     def _send_and_recv(self, msg: str, guard_ret: str = "") -> str:
         """Internal utility to send a command and receive the response."""
         assert not self._simulating
+        self._serial.flush()
         self._serial.write(msg.encode())
         ret = self._serial.readline()
         if guard_ret:

diff --git a/hardware-testing/hardware_testing/modules/flex_stacker_evt_qc/test_estop.py b/hardware-testing/hardware_testing/modules/flex_stacker_evt_qc/test_estop.py
@@ -1,6 +1,6 @@
 """Test E-Stop."""
 
-from time import sleep
+
 from typing import List, Union
 from hardware_testing.data import ui
 from hardware_testing.data.csv_report import (
@@ -48,8 +48,6 @@ def run(driver: FlexStacker, report: CSVReport, section: str) -> None:
     ui.print_header("Trigger E-Stop")
     if not driver._simulating:
         ui.get_user_ready("Trigger the E-Stop")
-        # wait a bit before requesting e-stop state
-        sleep(2)
 
         if not driver.get_estop():
             print("E-Stop is not triggered")