Update stegan.py

stegan.py

@@ -95,7 +95,9 @@ def conv_im(im,data):
     imgh = img1.size[1]
     print (f'qr Size:{img1.size}')
     #img1.thumbnail((imgw*4,imgh*4), Image.Resampling.LANCZOS)
-    img1 = img1.resize((int(data_pad),int(data_pad)), Image.Resampling.LANCZOS)
+    if imgw > data_pad or imgh > data_pad:
+        
+        img1 = img1.resize((int(data_pad),int(data_pad)), Image.Resampling.LANCZOS)
     print (img1.size)
     img1.save(f'tmpim{uniqnum}.png')