align_faces.py

@@ -212,7 +212,7 @@ def warp_and_crop_face(src_img,
                        reference_pts=None,
                        crop_size=(96, 112),
                        align_type='smilarity'): #smilarity cv2_affine affine
-    if reference_pts==None:
+    if reference_pts is None:
         if crop_size[0] == 96 and crop_size[1] == 112:
             reference_pts = REFERENCE_FACIAL_POINTS
         else: