[misc] yapf pass under CI's interpreter (3.12) + pin hook language_version (#1702)

examples/inference/basic/basic_self_forcing_causal.py

@@ -3,6 +3,8 @@ import time
 from fastvideo import VideoGenerator, SamplingParam
 
 OUTPUT_PATH = "video_samples_causal"
+
+
 def main():
     # FastVideo will automatically use the optimal default arguments for the
     # model.
@@ -13,19 +15,18 @@ def main():
         model_name,
         # FastVideo will automatically handle distributed setup
         num_gpus=1,
-        use_fsdp_inference=False, # set to True if GPU is out of memory
+        use_fsdp_inference=False,  # set to True if GPU is out of memory
         text_encoder_cpu_offload=False,
         dit_cpu_offload=False,
     )
 
     sampling_param = SamplingParam.from_pretrained(model_name)
 
-    prompt = (
-        "A curious raccoon peers through a vibrant field of yellow sunflowers, its eyes "
-        "wide with interest. The playful yet serene atmosphere is complemented by soft "
-        "natural light filtering through the petals. Mid-shot, warm and cheerful tones."
-    )
+    prompt = ("A curious raccoon peers through a vibrant field of yellow sunflowers, its eyes "
+              "wide with interest. The playful yet serene atmosphere is complemented by soft "
+              "natural light filtering through the petals. Mid-shot, warm and cheerful tones.")
     video = generator.generate_video(prompt, output_path=OUTPUT_PATH, save_video=True, sampling_param=sampling_param)
 
+
 if __name__ == "__main__":
     main()