Update clip_slider_pipeline.py

clip_slider_pipeline.py

@@ -10,8 +10,8 @@ class CLIPSlider:
             self,
             sd_pipe,
             device: torch.device,
-            target_word: str,
-            opposite: str,
+            target_word: str = "",
+            opposite: str = "",
             target_word_2nd: str = "",
             opposite_2nd: str = "",
             iterations: int = 300,