Move black and pytest to be dev dependencies

.github/workflows/python-app.yml

@@ -32,7 +32,7 @@ jobs:
       run: |
         python -m pip install --upgrade pip
         pip install flake8 pytest pytest-cov
-        pip install -e .
+        pip install -e .[dev]
         if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
     - name: Lint with flake8
       run: |

setup.py

@@ -20,7 +20,6 @@ setuptools.setup(
     ],
     python_requires='>=3.6',
     install_requires=[
-        "black",
         "datasets==2.0.0",
         "click>=7.1",
         "scikit-learn>=0.24.1",
@@ -33,7 +32,6 @@ setuptools.setup(
         "pycountry==20.7.3",
         "numexpr==2.7.2",
         "lm_dataformat==0.0.20",
-        "pytest>=6.2.5",
         "pybind11==2.6.2",
         "tqdm-multiprocess==0.0.11",
         "zstandard==0.15.2",
@@ -46,5 +44,6 @@ setuptools.setup(
     ],
     dependency_links=[
         "https://github.com/google-research/bleurt/archive/b610120347ef22b494b6d69b4316e303f5932516.zip#egg=bleurt",
-    ]
+    ],
+    extras_require={'dev': [ 'pytest', 'black' ]}
 )