fix install on editable mode on setuptools 70+

.github/workflows/test.yml

@@ -7,7 +7,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-python@v2
         with:
-          python-version: '3.6'
+          python-version: '3.9'
       - name: Install requirements
         run: pip install flake8 pycodestyle
       - name: Check syntax
@@ -66,4 +66,4 @@ jobs:
           paster --plugin=ckan db init -c test.ini
           paster --plugin=ckanext-qa qa init -c test.ini
       - name: Run tests
-        run: pytest --ckan-ini=test.ini --cov=ckanext.qa --disable-warnings ckanext/qa/tests
+        run: pytest --ckan-ini=test.ini --cov=ckanext.qa --disable-warnings ckanext/qa/tests

ckanext/qa/__init__.py

@@ -5,5 +5,3 @@
 except ImportError:
     import pkgutil
     __path__ = pkgutil.extend_path(__path__, __name__)
-
-__version__ = '2.0'

setup.py

@@ -1,9 +1,8 @@
 from setuptools import setup, find_packages
-from ckanext.qa import __version__
 
 setup(
     name='ckanext-qa',
-    version=__version__,
+    version='2.0',
     description='Quality Assurance plugin for CKAN',
     long_description='',
     classifiers=[],