Update requirements.txt

requirements.txt

@@ -1,5 +1,7 @@
-gradio>=3.50.0
-diffusers>=0.24.0
-torch>=2.1.0
-huggingface_hub==0.19.4  # Explicit version with cached_download
-accelerate>=0.26.0
+gradio==3.50.0
+diffusers==0.24.0
+torch==2.1.0
+huggingface_hub==0.19.4  # Critical version
+accelerate==0.26.0
+transformers==4.35.2
+xformers==0.0.23