Try explicitly importing asyncpg dialect

Author: dmannarino

app/gino.py

@@ -17,6 +17,9 @@
 from starlette.exceptions import HTTPException
 from starlette.types import Receive, Scope, Send
 
+# Explicitly import the asyncpg dialect to ensure it's registered with SQLAlchemy
+import gino.dialects.asyncpg  # noqa: F401
+
 logger = logging.getLogger("gino.ext.starlette")