Update Libsox Installation in Docker (#15834)

* update libsox installation

Signed-off-by: Jason <jasoli@nvidia.com>

* let's actually install sox

Signed-off-by: Jason <jasoli@nvidia.com>

* remove some more components

Signed-off-by: Jason <jasoli@nvidia.com>

---------

Signed-off-by: Jason <jasoli@nvidia.com>

Author: blisc

docker/Dockerfile

@@ -59,14 +59,14 @@ ENV PATH="/root/.local/bin:${VIRTUAL_ENV}/bin:${PATH}"
 RUN <<"EOF" bash -ex
 apt-get update
 apt-get install -y \
-    bc \
     curl \
     git \
-    libsndfile1 \
-    libsox-fmt-all \
-    sox
+    libsox3
 apt-get clean
 EOF
+# NOTE: removed libsndfile1 and only kept libsox3
+# soundfile ships with its own version of libsndfile1
+# lhotse only links into libsox3 and not the rest of sox; removed sox and libsox-fmt-all and only kept libsox3
 
 RUN <<"EOF" bash -ex
 curl -LsSf "https://astral.sh/uv/${UV_VERSION}/install.sh" | sh

pyproject.toml

@@ -534,8 +534,6 @@ test = [
     "pytest-shard",
     "pytest-mock",
     "pytest-runner",
-    "sphinx",
-    "sphinxcontrib-bibtex",
     "wandb",
     "wrapt",
 ]