diff --git a/psychopy_eyetracker_sr_research/sr_research/eyelink/calibration.py b/psychopy_eyetracker_sr_research/sr_research/eyelink/calibration.py
index a62f5c2..6281e76 100644
--- a/psychopy_eyetracker_sr_research/sr_research/eyelink/calibration.py
+++ b/psychopy_eyetracker_sr_research/sr_research/eyelink/calibration.py
@@ -12,16 +12,20 @@
 from psychopy.iohub.constants import EventConstants
 from psychopy.iohub.errors import print2err, printExceptionDetailsToStdErr
 from psychopy.iohub.util import convertCamelToSnake, win32MessagePump, updateSettings, createCustomCalibrationStim
+from psychopy.iohub.devices.keyboard import KeyboardInputEvent
 import pylink
 
+
 class FixationTarget():
     def __init__(self, psychopy_eyelink_graphics):
         win = psychopy_eyelink_graphics.window
         color_type = psychopy_eyelink_graphics.getCalibSetting(['color_type'])
         unit_type = psychopy_eyelink_graphics.getCalibSetting(['unit_type'])
 
-        outer_fill_color = outer_line_color = psychopy_eyelink_graphics.getCalibSetting(['target_attributes', 'outer_color'])
-        inner_fill_color = inner_line_color = psychopy_eyelink_graphics.getCalibSetting(['target_attributes', 'inner_color'])
+        outer_fill_color = outer_line_color = psychopy_eyelink_graphics.getCalibSetting(
+            ['target_attributes', 'outer_color'])
+        inner_fill_color = inner_line_color = psychopy_eyelink_graphics.getCalibSetting(
+            ['target_attributes', 'inner_color'])
 
         if outer_fill_color is None:
             outer_fill_color = psychopy_eyelink_graphics.getCalibSetting(['target_attributes', 'outer_fill_color'])
@@ -58,6 +62,7 @@ def draw(self, pos=None):
             self.calibrationPointInner.pos = pos
         self.calibrationPoint.draw()
 
+
 # Intro Screen
 class BlankScreen():
 
@@ -467,7 +472,6 @@ def _unregisterEventMonitors(self):
     def _handleEvent(self, event):
         event_type_index = DeviceEvent.EVENT_TYPE_ID_INDEX
         if event[event_type_index] == EventConstants.KEYBOARD_RELEASE:
-            from .....keyboard import KeyboardInputEvent
             key_index = KeyboardInputEvent.CLASS_ATTRIBUTE_NAMES.index('key')
             char = event[key_index]
             if isinstance(char, bytes):
@@ -632,7 +636,7 @@ def draw_image_line(self, width, line, totlines, buff):
         for i in range(width):
             try:
                 self.rgb_index_array[line - 1, i] = buff[i]
-            except Exception as e:
+            except Exception:
                 printExceptionDetailsToStdErr()
                 print2err(
                     'FAILED TO DRAW PIXEL TO IMAGE LINE: %d %d' %
diff --git a/psychopy_eyetracker_sr_research/sr_research/eyelink/eyetracker.py b/psychopy_eyetracker_sr_research/sr_research/eyelink/eyetracker.py
index d93e8db..3afa242 100644
--- a/psychopy_eyetracker_sr_research/sr_research/eyelink/eyetracker.py
+++ b/psychopy_eyetracker_sr_research/sr_research/eyelink/eyetracker.py
@@ -17,9 +17,20 @@
 from psychopy.iohub import EXP_SCRIPT_DIRECTORY
 from psychopy.iohub.errors import print2err, printExceptionDetailsToStdErr
 from psychopy.iohub.devices import Computer, Device
-from psychopy.iohub.devices.eyetracker.eye_events import (
+from psychopy.iohub.devices.eyetracker.eye_events import (  # noqa: F401
     EventConstants,
-    EyeTrackerDevice
+    EyeTrackerDevice,
+    EyeTrackerEvent,
+    EyeSampleEvent,
+    MonocularEyeSampleEvent,
+    BinocularEyeSampleEvent,
+    GazepointSampleEvent,
+    FixationStartEvent,
+    FixationEndEvent,
+    SaccadeStartEvent,
+    SaccadeEndEvent,
+    BlinkStartEvent,
+    BlinkEndEvent
 )
 
 try:
@@ -1574,6 +1585,7 @@ def _close(self):
         self.setConnectionState(False)
         EyeTrackerDevice._close(self)
 
+
 # ================= Command Functions ==========================================
 
 _EYELINK_HOST_MODES = {