sqlite3 - fix

adcern/sqlite3_backend.py

@@ -18,7 +18,8 @@ def modify_db(conn,
         additional arguments for execute query, optional
     """
 
-    with conn.cursor() as c:
+    with conn:
+        c = conn.cursor()
         for x in range(1, 11):
             try:
                 if args: