Correct text2img_guidance_scale param name.

handler.py

@@ -25,7 +25,7 @@ class EndpointHandler:
         desired_output_width = int(data.get("desired_output_width", default_desired_output_width))
         text2img_inference_steps = int(data.get("text2img_inference_steps", default_text2img_inference_steps))
         img2img_inference_steps = int(data.get("img2img_inference_steps", default_img2img_inference_steps))
-        text2img_guidance_scale = float(data.get("guidance_scale_text2img", default_text2img_guidance_scale))
+        text2img_guidance_scale = float(data.get("text2img_guidance_scale", default_text2img_guidance_scale))
         img2img_strength = float(data.get("img2img_strength", default_img2img_strength))
 
         print(