Don't use autocommit

freqtrade/persistence/models.py

@@ -9,9 +9,7 @@ from typing import Any, Dict, List, Optional
 from sqlalchemy import (Boolean, Column, DateTime, Float, ForeignKey, Integer, String,
                         create_engine, desc, func, inspect)
 from sqlalchemy.exc import NoSuchModuleError
-from sqlalchemy.orm import Query, declarative_base, relationship
-from sqlalchemy.orm.scoping import scoped_session
-from sqlalchemy.orm.session import sessionmaker
+from sqlalchemy.orm import Query, declarative_base, relationship, scoped_session, sessionmaker
 from sqlalchemy.pool import StaticPool
 from sqlalchemy.sql.schema import UniqueConstraint
 
@@ -49,7 +47,7 @@ def init_db(db_url: str, clean_open_orders: bool = False) -> None:
         })
 
     try:
-        engine = create_engine(db_url, **kwargs)
+        engine = create_engine(db_url, future=True, **kwargs)
     except NoSuchModuleError:
         raise OperationalException(f"Given value for db_url: '{db_url}' "
                                    f"is no valid database URL! (See {_SQL_DOCS_URL})")
@@ -57,7 +55,7 @@ def init_db(db_url: str, clean_open_orders: bool = False) -> None:
     # https://docs.sqlalchemy.org/en/13/orm/contextual.html#thread-local-scope
     # Scoped sessions proxy requests to the appropriate thread-local session.
     # We should use the scoped_session object - not a seperately initialized version
-    Trade._session = scoped_session(sessionmaker(bind=engine, autoflush=True, autocommit=True))
+    Trade._session = scoped_session(sessionmaker(bind=engine, autoflush=True))
     Trade.query = Trade._session.query_property()
     Order.query = Trade._session.query_property()
     PairLock.query = Trade._session.query_property()