pin pyav to <10 (#6789)

* pin pyav to <10

* pin av in GHA workflows as well

* also pin in M1 workflow

.circleci/unittest/linux/scripts/environment.yml

@@ -13,4 +13,4 @@ dependencies:
   - pip:
     - future
     - scipy
-    - av
+    - av < 10

.circleci/unittest/windows/scripts/environment.yml

@@ -14,6 +14,6 @@ dependencies:
   - pip:
     - future
     - scipy
-    - av != 9.1.1
+    - av !=9.1.1, <10
     - dataclasses
     - h5py

.github/workflows/test-linux-cpu.yml

@@ -56,7 +56,7 @@ jobs:
             -c nvidia "pytorch-${CHANNEL}"::pytorch[build="*${VERSION}*"] \
             "${CUDATOOLKIT}"
           ${CONDA_RUN} python3 setup.py develop
-          ${CONDA_RUN} python3 -m pip install pytest pytest-mock av
+          ${CONDA_RUN} python3 -m pip install pytest pytest-mock 'av<10'
       - name: Run tests
         shell: bash -l {0}
         env:

.github/workflows/test-m1.yml

@@ -37,7 +37,7 @@ jobs:
           conda create -yp ${ENV_NAME} python=${PY_VERS} numpy libpng jpeg scipy
           conda run -p ${ENV_NAME} python3 -mpip install --pre torch --extra-index-url=https://download.pytorch.org/whl/${CHANNEL}
           conda run -p ${ENV_NAME} python3 setup.py develop
-          conda run -p ${ENV_NAME} python3 -mpip install pytest pytest-mock av
+          conda run -p ${ENV_NAME} python3 -mpip install pytest pytest-mock 'av<10'
       - name: Run tests
         shell: arch -arch arm64 bash {0}
         env: