�� Add PEFT dependency for BioMistral model loading

requirements.txt

@@ -1,15 +1,23 @@
 # Medical Chatbot HF Space Requirements
 
 # Web framework
-gradio>=4.0.0
+gradio>=4.44.0
 
-# Machine learning libraries
-torch>=2.0.0
-transformers>=4.30.0
-accelerate>=0.20.0
+# Machine learning libraries - specific versions for compatibility
+torch>=2.1.0,<3.0.0
+transformers>=4.35.0,<5.0.0
+accelerate>=0.24.0
 
 # HF Spaces GPU support
 spaces>=0.1.0
 
 # Basic utilities
-numpy>=1.21.0
+numpy>=1.21.0,<2.0.0
+requests>=2.28.0
+
+# Additional dependencies for better device handling
+safetensors>=0.4.0
+tokenizers>=0.15.0
+
+# PEFT for fine-tuned model loading
+peft>=0.7.0,<1.0.0