Specify lint targets

Author: not522

.github/workflows/python-package.yml

@@ -29,12 +29,12 @@ jobs:
       - name: Lint with flake8
         run: |
           # stop the build if there are Python syntax errors or undefined names
-          flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
+          flake8 atcoder tests --count --select=E9,F63,F7,F82 --show-source --statistics
           # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
-          flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
+          flake8 atcoder tests --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
       - name: Type check with mypy
         run: |
-          mypy . --exclude example/
+          mypy atcoder tests
       - name: Test with pytest
         run: |
           pytest