[db] Try mysqlclient first, maybe the user managed to get it working on Windows

flaschengeist/config.py

@@ -69,7 +69,12 @@ def configure_app(app, test_config=None):
         config["DATABASE"]["engine"] = "sqlite"
 
     if config["DATABASE"]["engine"] == "mysql":
-        engine = "mysql" + ("+pymysql" if os.name == "nt" else "")
+        engine = "mysql"
+        try:
+            # Try mysqlclient first
+            from MySQLdb import _mysql
+        except ModuleNotFoundError:
+            engine += "+pymysql"
         options = "?charset=utf8mb4"
     elif config["DATABASE"]["engine"] == "postgres":
         engine = "postgresql+psycopg2"