.appveyor.yml

@@ -5,8 +5,12 @@ environment:
     - TOXENV: "py34"
     - TOXENV: "py35"
     - TOXENV: "py36"
+    - TOXENV: "pypy"
 install:
+  # This takes a long time, so it's done only for pypy env.
+  - if "%TOXENV%"=="pypy" choco install python.pypy
+
   - pip install tox
 build: off

src/tests/test_integration.py

@@ -110,11 +110,9 @@ def install_package(request):
     script.
     """
     cwd = os.path.join(os.path.dirname(__file__), '..', '..')
-    install_cmd = "python setup.py develop"
-    uninstall_cmd = install_cmd + ' --uninstall'
-    subprocess.check_call(shlex.split(install_cmd), cwd=cwd)
+    subprocess.check_call(shlex.split("pip install -e ."), cwd=cwd)
     yield
-    subprocess.check_call(shlex.split(uninstall_cmd), cwd=cwd)
+    subprocess.check_call(shlex.split("pip uninstall ."), cwd=cwd)
 @pytest.yield_fixture(scope="function")