Made changes to pass linter checks

Author: avats101

eye_detection/eye_detector.py

@@ -1,4 +1,3 @@
-import numpy as np
 import cv2
 face_cascade = cv2.CascadeClassifier(
     cv2.data.haarcascades + 'haarcascade_frontalface_default.xml')
@@ -10,12 +9,12 @@
     gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
     faces = face_cascade.detectMultiScale(gray, 1.3, 5)
     for (x, y, w, h) in faces:
-        cv2.rectangle(img, (x, y), (x+w, y+h), (255, 0, 0), 2)
-        roi_gray = gray[y:y+h, x:x+w]
-        roi_color = img[y:y+h, x:x+w]
+        cv2.rectangle(img, (x, y), (x + w, y + h), (255, 0, 0), 2)
+        roi_gray = gray[y:y + h, x:x + w]
+        roi_color = img[y:y + h, x:x + w]
         eyes = eye_cascade.detectMultiScale(roi_gray)
         for (ex, ey, ew, eh) in eyes:
-            cv2.rectangle(roi_color, (ex, ey), (ex+ew, ey+eh), (0, 255, 0), 2)
+            cv2.rectangle(roi_color, (ex, ey), (ex + ew, ey + eh), (0, 255, 0), 2)
     cv2.imshow('Web Cam Input', img)
     k = cv2.waitKey(30) & 0xff
     if k == 27: