resolve review notes

gso/schema/__init__.py

-"""Partner schema module."""
+"""It is used to group the schema files together as a package."""

gso/services/partners.py

@@ -47,6 +47,8 @@ def create_partner(
     except SQLAlchemyError:
         db.session.rollback()
         raise
+    finally:
+        db.session.close()
 
 
 def delete_partner_by_name(name: str) -> None:
@@ -61,3 +63,5 @@ def delete_partner_by_name(name: str) -> None:
     except SQLAlchemyError:
         db.session.rollback()
         raise
+    finally:
+        db.session.close()