diff --git a/demo.py b/demo.py
index 65964cb..f60742c 100644
--- a/demo.py
+++ b/demo.py
@@ -1,7 +1,10 @@
 import tensorflow as tf 
 import numpy as np
 from PIL import Image
-import os, glob, cv2, platform
+import os
+import glob
+import cv2
+import platform
 from scipy.io import loadmat,savemat
 
 from preprocess_img import Preprocess
@@ -77,12 +80,11 @@ def demo():
 				face_texture_ = np.squeeze(face_texture_, (0))
 				face_color_ = np.squeeze(face_color_, (0))
 				landmarks_2d_ = np.squeeze(landmarks_2d_, (0))
-				recon_img_ = None
 				if not is_windows:
 					recon_img_ = np.squeeze(recon_img_, (0))
 
 				# save output files
-				if recon_img_:
+				if not is_windows:
 					savemat(os.path.join(save_path,file.split(os.path.sep)[-1].replace('.png','.mat').replace('jpg','mat')),{'cropped_img':input_img[:,:,::-1],'recon_img':recon_img_,'coeff':coeff_,\
 						'face_shape':face_shape_,'face_texture':face_texture_,'face_color':face_color_,'lm_68p':landmarks_2d_,'lm_5p':lm_new})
 				save_obj(os.path.join(save_path,file.split(os.path.sep)[-1].replace('.png','_mesh.obj').replace('jpg','_mesh.obj')),face_shape_,tri_,np.clip(face_color_,0,255)/255) # 3D reconstruction face (in canonical view)
diff --git a/face_decoder.py b/face_decoder.py
index 8c76536..fab62bc 100644
--- a/face_decoder.py
+++ b/face_decoder.py
@@ -2,7 +2,7 @@ import tensorflow as tf
 import math as m
 import numpy as np
 from scipy.io import loadmat
-import platform, PIL
+import platform
 
 is_windows = platform.system() == "Windows"
 
@@ -301,7 +301,6 @@ class Face3D():
 					far_clip = far_clip)
 			return img
 		else:
-			#return PIL.Image.new('RGB', (224, 224))
 			return np.zeros([224, 224], dtype=np.int32)