attempt to fix github automatic test

.github/workflows/macos.yml

@@ -22,7 +22,7 @@ jobs:
       - run: which python
       - name: Run installation.
         run: |
-         pip install -r requirements.txt
+          pip install .
       - name: Test coverage.
         run: |
          pytest --doctest-modules

.github/workflows/ubuntu.yml

@@ -22,7 +22,7 @@ jobs:
       - run: which python
       - name: Run installation.
         run: |
-          pip install -r requirements.txt
+          pip install .
       - name: Test coverage.
         run: |
           pytest --doctest-modules --cov

.gitignore

@@ -4,7 +4,6 @@
 *.ipynb_checkpoints/
 ethp2psim.egg-info
 */__pycache__
-*/__pycache__
 build
 .pytest_cache
 .coverage