py : add protobuf dependency (ggml-org#4466)

strutive07 · hodlen · commit d921175cba24 · 2024-04-02T00:15:02.000+08:00
diff --git a/requirements.txt b/requirements.txt
@@ -2,3 +2,4 @@ numpy==1.24.4
 sentencepiece==0.1.98
 transformers>=4.34.0
 gguf>=0.1.0
+protobuf>=4.21.0
