fix

app.py

@@ -22,7 +22,7 @@ DIFFUSION_DEFAULTS = dict(
 @st.experimental_singleton
 def setup():
     import os, subprocess, sys
-    os.system("git clone https://github.com/nostalgebraist/improved-diffusion.git && cd improved-diffusion && git fetch origin nbar-space && git checkout nbar-dev && pip install -e .")
+    os.system("git clone https://github.com/nostalgebraist/improved-diffusion.git && cd improved-diffusion && git fetch origin nbar-space && git checkout nbar-space && pip install -e .")
     os.system("pip install tokenizers x-transformers==0.22.0 axial-positional-embedding")
     os.system("pip install einops==0.3.2")
     sys.path.append("improved-diffusion")