diff --git a/out.txt b/out.txt
deleted file mode 100644
index ff35e26..0000000
--- a/out.txt
+++ /dev/null
@@ -1,40 +0,0 @@
-diff --git a/genotype_api/api/app.py b/genotype_api/api/app.py
-index d521c23..f6630fc 100644
---- a/genotype_api/api/app.py
-+++ b/genotype_api/api/app.py
-@@ -7,8 +7,9 @@
- from fastapi.responses import JSONResponse
- from fastapi.middleware.cors import CORSMiddleware
- 
-+from genotype_api.api.middleware import DBSessionMiddleware
- from genotype_api.config import security_settings, settings
--from genotype_api.database.database import create_all_tables, initialise_database, close_session
-+from genotype_api.database.database import create_all_tables, initialise_database
- from genotype_api.api.endpoints import samples, snps, users, plates, analyses
- from sqlalchemy.exc import NoResultFound
- 
-@@ -24,6 +25,7 @@
-     allow_methods=["*"],
-     allow_headers=["*"],
- )
-+app.add_middleware(DBSessionMiddleware)
- 
- 
- @app.exception_handler(NoResultFound)
-diff --git a/genotype_api/api/middleware.py b/genotype_api/api/middleware.py
-new file mode 100644
-index 0000000..4f3e817
---- /dev/null
-+++ b/genotype_api/api/middleware.py
-@@ -0,0 +1,11 @@
-+from fastapi import Request
-+from genotype_api.database.database import close_session
-+
-+
-+class DBSessionMiddleware:
-+    async def __call__(self, request: Request, call_next):
-+        try:
-+            response = await call_next(request)
-+        finally:
-+            close_session()
-+        return response