fix typo

Author: nakagami

.github/workflows/test.yml

@@ -39,7 +39,7 @@ jobs:
         python -m pip install setuptools
         python -m pip install --upgrade pip
         python -m pip install flake8
-        pytohn -m pip install pytest
+        python -m pip install pytest
     - name: Test
       run: |
         MYSQL_ROOT_PASSWORD=password pytest