Add file hash to cache key

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Author: larryliu0820

.github/workflows/pull.yml

@@ -904,9 +904,9 @@ jobs:
           echo "et-git-hash=$(cat ${TORCHCHAT_ROOT}/install/.pins/et-pin.txt)" >> "$GITHUB_ENV"
       - name: Load or install ET
         id: install-et
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         env:
-          cache-key: et-build-${{runner.os}}-${{runner.arch}}-${{env.et-git-hash}}
+          cache-key: et-build-${{runner.os}}-${{runner.arch}}-${{env.et-git-hash}}-${{ hashFiles('torchchat/utils/scripts/install_et.sh') }}
         with:
           path: ./et-build
           key: ${{env.cache-key}}

torchchat/model.py

@@ -30,8 +30,9 @@
     SequenceParallel,
 )
 from torch.nn import functional as F
-
-import lm_eval  # noqa
+# TODO: remove this after we figure out where in torchtune an `evaluate` module
+# is being imported, which is being confused with huggingface's `evaluate``.
+import lm_eval  # noqa 
 from torchtune.models.clip import clip_vision_encoder
 from torchtune.models.llama3_1._component_builders import llama3_1 as llama3_1_builder
 from torchtune.models.llama3_2_vision._component_builders import (