diff --git a/src/core/pyros_django/seq_submit/functions.py b/src/core/pyros_django/seq_submit/functions.py
index a775399..f5470ad 100644
--- a/src/core/pyros_django/seq_submit/functions.py
+++ b/src/core/pyros_django/seq_submit/functions.py
@@ -8,7 +8,7 @@ from django.forms.models import model_to_dict
 from user_mgmt.models import PyrosUser, ScientificProgram, Period
 from seq_submit.models import Sequence, Album, Plan
 from .forms import SequenceForm, PlanForm   #, AlbumForm
-from django.db import IntegrityError
+from django.db import IntegrityError, transaction
 # Project imports
 from src.core.pyros_django.obs_config.obsconfig_class import OBSConfig
 from django.http import HttpRequest
@@ -20,6 +20,7 @@ import vendor.guitastro.src.guitastro as guitastro
 import numpy
 
 #@silk_profile(name="check_sequence_file")
+@transaction.atomic
 def check_sequence_file_validity_and_save(yaml_content: dict, request: HttpRequest):
     ''' Create a sequence in DB from the uploaded sequence (yaml_content) '''
 
@@ -39,10 +40,10 @@ def check_sequence_file_validity_and_save(yaml_content: dict, request: HttpReque
     is_simplified = yaml_content.get("simplified", False)
     # Get scientific programs for the user who is submitting the sequence file
     user_sp = request.user.get_scientific_programs()
+
     process_sequence(yaml_content, seq, config, is_simplified, result, user_sp)
-    
     process_albums(yaml_content, result, config, seq, is_simplified)
-    
+
         
     # optim possible ?
     #[ process_plans(a["Album"].get("Plans")) for a in albums_from_file ]
@@ -442,8 +443,8 @@ def create_sequence_pickle(sequence):
     config = OBSConfig(os.environ["PATH_TO_OBSCONF_FILE"], unit_name)
     pyros_config = ConfigPyros(os.environ["pyros_config_file"])
     config.fn.fcontext = "pyros_seq"
-    home = guitastro.Home(config.getHome())
-    config.fn.longitude(home.longitude)
+    # home = guitastro.Home(config.getHome())
+    # config.fn.longitude = home.longitude
     period_id = str(period.id)
     if len(str(period.id)) < 3:
         while len(period_id) < 3:
--
libgit2 0.21.2