install correct dependencies for tests

Author: justdave

.github/workflows/pylint.yml

@@ -18,7 +18,7 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        pip install pylint mysqlclient black
+        pip install -f requirements.txt
     - name: Check for compile errors with pylint
       run: |
         pylint -E $(git ls-files '*.py' schema-tool)

requirements.txt

@@ -2,3 +2,4 @@ mysqlclient
 black>=21.0 # need 21 for py3.10 compat
 argparse
 click<8.1 # 8.1 breaks black 21
+pylint