Revert "try to fix ai_interface startup test for Python 3.7"

This reverts commit c402757ea69df3c945119b8c88d4cb203de46938.

.github/workflows/test.yml

@@ -25,8 +25,7 @@ jobs:
           poetry config virtualenvs.create false
           poetry install
           # install packages to run the examples
-          # NOTE: replicate>=0.8.0 requires Python 3.8+, so we need to pin it to 0.7.0
-          pip install opencv-python opencv-contrib-python-headless httpx 'replicate==0.7.0' langchain openai simpy
+          pip install opencv-python opencv-contrib-python-headless httpx replicate langchain openai simpy
           pip install -r tests/requirements.txt
           # try fix issue with importlib_resources
           pip install importlib-resources