add strength parameter

handler.py

@@ -62,6 +62,7 @@ class EndpointHandler():
         guidance_scale = params.pop("guidance_scale", 7.5)
         negative_prompt = params.pop("negative_prompt", None)
         height = params.pop("height", None)
+        strength = params.pop("height", 0.8)
         width = params.pop("width", None)
         manual_seed = params.pop("manual_seed", -1)
 
@@ -72,6 +73,7 @@ class EndpointHandler():
         # run img2img pipeline
         out = self.imgPipe(prompt,
                     image=init_image,
+                    strength=strength,
                     num_inference_steps=num_inference_steps,
                     guidance_scale=guidance_scale,
                     num_images_per_prompt=1,