Update requirements.txt

requirements.txt

@@ -1,8 +1,12 @@
-torch>=2.1
 transformers>=4.46.0
 optimum>=1.23.0        # makes transformers’ quantizer happy
 auto-gptq>=0.7.0.post0 # wheels available for CUDA 11.8/12.x
 bitsandbytes>=0.43.0   # still useful for 4-bit mat-muls
 accelerate>=0.29.0
 sentencepiece       # tokenizer dependency
-gradio>=4.28
+gradio>=4.28
+# requirements.txt  – CPU-only
+transformers>=4.46.0       # model & pipeline
+torch>=2.2.0               # CPU wheel auto-selected
+sentencepiece>=0.1.99      # DistilBART tokenizer
+gradio>=4.28.0             # UI