Fix from database column in dataframe to align with first item of `…

…from key`.

.github/workflows/main.yml

@@ -48,8 +48,8 @@ jobs:
 
       - name: Install dependencies
         run: |
+          pip install pysqlite
           pip install -r requirements.txt --upgrade pip
-          pip install PyMySQL
           pip install pytest
           pip install -e .