Fix ci

Author: mana-ysh

.github/workflows/pythonpackage.yml

@@ -27,7 +27,7 @@ jobs:
  run: |
  python -m pip install --upgrade pip
  pip install cookiecutter flake8 pytest mypy
- cd \{\{\ cookiecutter.project_slug\ \}\}/ pip install .
+ cd \{\{\ cookiecutter.project_slug\ \}\}/ && pip install .
  - name: CI
  run: |
  make create-project-no-input && make ci