Update app.py

app.py

@@ -54,7 +54,7 @@ def identify_face(user_image):
   face_locations = face_recognition.face_locations(img)
   for face_location in face_locations: 
     top, right, bottom, left = face_location
-    mask = np.zeros(image.shape[:2], dtype="uint8")
+    mask = np.zeros(img.shape[:2], dtype="uint8")
     print(mask.shape)
     cv2.rectangle(mask, (left, top), (right, bottom),  255, -1)
     inverted_image = cv2.bitwise_not(mask)