add spacy download

app.py

@@ -29,6 +29,14 @@ from vqasynth.prompts import PromptGenerator
 import numpy as np
 import gradio as gr
 
+try:
+    nlp = spacy.load("en_core_web_sm")
+except OSError:
+    # Download the model if it's not already available
+    from spacy.cli import download
+    download("en_core_web_sm")
+    nlp = spacy.load("en_core_web_sm")
+
 depth = DepthEstimator(from_onnx=False)
 localizer = Localizer()
 spatial_scene_constructor = SpatialSceneConstructor()