fix(CI): use pinned deps for CI testing (#423)

* fix(CI): use pinned deps for CI testing

* style: run pre-commit

* fix: remove independent torch install

Author: jon-tow

.github/workflows/build.yml

@@ -23,7 +23,12 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        pip install -e ".[dev,bnb]"
+        pip install -r requirements.txt
+        # Install extras
+        # [bnb]
+        pip install bitsandbytes
+        # [dev]
+        pip install black hypothesis isort flake8 pre-commit pytest pytest-cov
 
     - name: Lint with flake8
       run: |