Added Python cache creation before running the tests.

It looks like pytest is loading some modules without macros. The cache
gets created without them. But when we load the same modules with
macros it fails.

.github/workflows/pythonapp.yml

@@ -35,6 +35,7 @@ jobs:
       env:
         COVERALLS_REPO_TOKEN: ${{ secrets.COVERALLS_REPO_TOKEN }}
       run: |
+        src/kibot --help-outputs
         python3-coverage erase
         pytest-3 --test_dir output
         python3-coverage report

Makefile

@@ -77,7 +77,7 @@ test_docker_local:
 	# Run in the same directory to make the __pycache__ valid
 	# Also change the owner of the files to the current user (we run as root like in GitHub)
 	docker run --rm -v $(CWD):$(CWD) --workdir="$(CWD)" setsoft/kicad_auto_test:latest \
-		/bin/bash -c "flake8 . --count --statistics ; pytest-3 --test_dir output ; $(PY_COV) html; chown -R $(USER_ID):$(GROUP_ID) output/ tests/board_samples/ .coverage htmlcov/"
+		/bin/bash -c "flake8 . --count --statistics ; src/kibot --help-outputs ; pytest-3 --test_dir output ; $(PY_COV) html; chown -R $(USER_ID):$(GROUP_ID) output/ tests/board_samples/ .coverage htmlcov/"
 	$(PY_COV) report
 	x-www-browser htmlcov/index.html
 

tests/test_plot/test_misc_2.py

@@ -23,6 +23,7 @@ from kibot.misc import (MISSING_TOOL, WRONG_INSTALL)
 cov = coverage.Coverage()
 mocked_check_output_FNF = True
 
+
 # Important note:
 # - We can't load the plug-ins twice, the import fails.
 # - Once we patched them using monkey patch the patch isn't reverted unless we load them again.