Merge pull request #687 from tahoe-lafs/3276.appveyor-vs-setuptools

Attempt to inherit the base dependencies in the pyinstaller env

Fixes: ticket:3276

.appveyor.yml

@@ -69,7 +69,7 @@ after_test:
     %PYTHON%\python.exe setup.py bdist_wheel
     %PYTHON%\python.exe -m pip wheel -w dist .
   - |
-    %PYTHON%\python.exe -m pip install codecov coverage
+    %PYTHON%\python.exe -m pip install codecov "coverage ~= 4.5"
     %PYTHON%\python.exe -m coverage xml -o coverage.xml -i
     %PYTHON%\python.exe -m codecov -X search -X gcov -f coverage.xml
 

tox.ini

@@ -171,6 +171,7 @@ commands =
 install_command = python -m pip install --no-use-pep517 {opts} {packages}
 extras =
 deps =
+    {[testenv]deps}
     packaging
     pyinstaller
 # Setting PYTHONHASHSEED to a known value assists with reproducible builds.