Update pythonpackage.yml

.github/workflows/pythonpackage.yml

@@ -17,6 +17,10 @@ jobs:
       uses: actions/setup-python@v1
       with:
         python-version: ${{ matrix.python-version }}
+    - name: Download Git LFS files
+      run: |
+        git lfs install
+        git pull
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
@@ -31,6 +35,5 @@ jobs:
         flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
     - name: Test with pytest
       run: |
-        cd ..
         pip install pytest
         pytest