fix example in doc

Author: linoytsaban

examples/community/pipeline_flux_rf_inversion.py

@@ -53,7 +53,10 @@
     Examples:
         ```py
         >>> import torch
-        >>> from diffusers import FluxPipeline
+        >>> import requests
+        >>> import PIL
+        >>> from io import BytesIO
+        >>> from diffusers import DiffusionPipeline
 
         >>> pipe = DiffusionPipeline.from_pretrained(
         ...    "black-forest-labs/FLUX.1-dev",
@@ -80,7 +83,6 @@
         ...     stop_timestep=.38,
         ...     num_inference_steps=28,
         ...     eta=0.9,
-        ...     stop_timestep=.38,
         ...     num_inference_steps=28,
         ...     eta=0.9,
         ... ).images[0]