Merge pull request #1538 from hanhainebula/master

fix bug: pytrec_eval installation issue

Author: hanhainebula

examples/README.md

@@ -158,6 +158,8 @@ We support evaluations on [MTEB](https://github.com/embeddings-benchmark/mteb),
 
 ```shell
 pip install pytrec_eval
+# if you fail to install pytrec_eval, try the following command
+# pip install pytrec-eval-terrier
 pip install https://github.com/kyamagu/faiss-wheels/releases/download/v1.7.3/faiss_gpu-1.7.3-cp310-cp310-manylinux_2_17_x86_64.manylinux2014_x86_64.whl
 python -m FlagEmbedding.evaluation.msmarco \
     --eval_name msmarco \

examples/evaluation/README.md

@@ -105,6 +105,8 @@ You need install `pytrec_eval` and `faiss` for evaluation:
 
 ```shell
 pip install pytrec_eval
+# if you fail to install pytrec_eval, try the following command
+# pip install pytrec-eval-terrier
 pip install https://github.com/kyamagu/faiss-wheels/releases/download/v1.7.3/faiss_gpu-1.7.3-cp310-cp310-manylinux_2_17_x86_64.manylinux2014_x86_64.whl
 ```