Remove Python 3.6 and add Python 3.10 in the github workflow (#1368)

* Remove Python 3.6 and add Python 3.10 in the github workflow

* Get latest pyfakefs package

* Test only python 3.10

* Use pyfakefs==4.5.6

* Use new method

* Bring back all Python versions

* Remove Python 3.7

Co-authored-by: Mario Ruiz <mruiznog@xilinx.com>

.github/workflows/python-package.yml

@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [3.6, 3.7, 3.8, 3.9]
+        python-version: ['3.8', '3.9', '3.10']
 
     steps:
     - uses: actions/checkout@v2
@@ -24,7 +24,7 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        pip install flake8 pytest pyfakefs==4.4.0 pytest-cov pytest-asyncio codecov
+        pip install flake8 pytest pyfakefs==4.5.6 pytest-cov pytest-asyncio codecov
         # Install required dependencies for pynq since we import it in setup.py
         pip install numpy cffi
         if [ -f requirements.txt ]; then pip install -r requirements.txt; fi

tests/test_devicetree.py

@@ -25,7 +25,7 @@ def _add_dtbo(self, fd):
             dtbo_dir = os.path.dirname(fd.path)
             if self._fail:
                 print('Resetting contents')
-                fd._set_initial_contents('')
+                fd.set_initial_contents('')
             with open(os.path.join(dtbo_dir, 'status'), 'w') as f:
                 f.write('applied\n')