fix strength field

handler.py

@@ -66,7 +66,7 @@ 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)
+        strength = params.pop("strength", 0.8)
         width = params.pop("width", None)
         manual_seed = params.pop("manual_seed", -1)
         logger.info(f"strength: {strength}, manual_seed: {manual_seed}, inference_steps: {num_inference_steps}, guidance_scale: {guidance}")