diff --git a/.gitignore b/.gitignore
index a5cc6aa..d61d1da 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,4 +2,4 @@
 database.db
 common/local_settings.py
 scripts/epcstages.json
-.idea/*
+.idea/*.*
diff --git a/common/urls.py b/common/urls.py
index e0a6b33..10ac1e0 100644
--- a/common/urls.py
+++ b/common/urls.py
@@ -14,6 +14,7 @@ urlpatterns = [
 
     url(r'^attribution/$', views.AttributionView.as_view(), name='attribution'),
     url(r'^stages/export/(?P<scope>all)?/?$', views.stages_export, name='stages_export'),
+    url(r'^imputations/export/$', views.imputations_export, name='imputations_export'),
 
     url(r'^institutions/$', views.CorporationListView.as_view(), name='corporations'),
     url(r'^institutions/(?P<pk>\d+)/$', views.CorporationView.as_view(), name='corporation'),
diff --git a/media/img/header.gif b/media/img/header.gif
new file mode 100644
index 0000000..a02c592
Binary files /dev/null and b/media/img/header.gif differ
diff --git a/stages/admin.py b/stages/admin.py
index c4c5821..02a9d21 100644
--- a/stages/admin.py
+++ b/stages/admin.py
@@ -352,6 +352,7 @@ class CandidateAdmin(admin.ModelAdmin):
         }),
     )
 
+
 admin.site.register(Section)
 admin.site.register(Level)
 admin.site.register(Klass, KlassAdmin)
diff --git a/stages/models.py b/stages/models.py
index 2fb5b20..fd94503 100644
--- a/stages/models.py
+++ b/stages/models.py
@@ -5,7 +5,7 @@ from datetime import date, timedelta
 
 from django.conf import settings
 from django.db import models
-
+from collections import OrderedDict
 from . import utils
 
 
@@ -408,9 +408,10 @@ class Course(models.Model):
 
     public = models.CharField("Classe(s)", max_length=200, default='')
     subject = models.CharField("Sujet", max_length=100, default='')
+
     period = models.IntegerField("Nb de périodes", default=0)
     # Imputation comptable: compte dans lequel les frais du cours seront imputés
-    imputation = models.CharField("Imputation", max_length=10, choices=IMPUTATION_CHOICES)
+    imputation = models.CharField("Imputation", max_length=10, default='', blank=True)
 
     class Meta:
         verbose_name = 'Cours'
diff --git a/stages/pdf.py b/stages/pdf.py
index 2bca1fb..e0628d1 100644
--- a/stages/pdf.py
+++ b/stages/pdf.py
@@ -186,3 +186,4 @@ class UpdateDataFormPDF(SimpleDocTemplate):
 
     def is_instr_required(self, klass_name):
         return any(el in klass_name for el in ['FE', 'EDS'])
+
diff --git a/stages/views.py b/stages/views.py
index 8fbd3ee..0f5602d 100644
--- a/stages/views.py
+++ b/stages/views.py
@@ -399,6 +399,7 @@ class HPImportView(ImportViewBase):
         'NOMPERSO_DIP': 'public',
         'TOTAL': 'period',
     }
+
     # Mapping between klass field and imputation
     account_categories = {
         'ASAFE': 'ASAFE',
@@ -438,14 +439,15 @@ class HPImportView(ImportViewBase):
             }
 
             obj, created = Course.objects.get_or_create(
-                teacher=defaults['teacher'],
-                subject=defaults['subject'],
-                public=defaults['public'])
+                teacher = defaults['teacher'],
+                subject = defaults['subject'],
+                public = defaults['public'])
 
             period = int(float(line['TOTAL']))
             if created:
                 obj.period = period
                 obj_created += 1
+
                 for k, v in self.account_categories.items():
                     if k in obj.public:
                         obj.imputation = v
@@ -553,6 +555,12 @@ EXPORT_FIELDS = [
     ('Courriel contact - copie', None),
 ]
 
+IMPUTATIONS_EXPORT_FIELDS = [
+    'Nom', 'Prénom', 'Report passé', 'Ens', 'Discipline', \
+    'Accomp.', 'Discipline', 'Total payé', 'Indice', 'Taux', 'Report futur', \
+    'ASA', 'ASSC', 'ASE', 'MP', 'EDEpe', 'EDEps', 'EDS', 'CAS-FPP', 'Direction'   
+]
+
 
 NON_ATTR_EXPORT_FIELDS = [
     ('Filière', 'period__section__name'),
@@ -660,13 +668,6 @@ def stages_export(request, scope=None):
     return response
 
 
-IMPUTATIONS_EXPORT_FIELDS = [
-    'Nom', 'Prénom', 'Report passé', 'Ens', 'Discipline',
-    'Accomp.', 'Discipline', 'Total payé', 'Indice', 'Taux', 'Report futur',
-    'ASA', 'ASSC', 'ASE', 'MP', 'EDEpe', 'EDEps', 'EDS', 'CAS_FPP', 'Direction'
-]
-
-
 def imputations_export(request):
     wb = Workbook()
     ws = wb.active
@@ -690,6 +691,7 @@ def imputations_export(request):
         ws.cell(row=row_idx, column=9).value = 'Charge globale'
         ws.cell(row=row_idx, column=10).value = '{0:.2f}'.format(activities['tot_paye']/21.50)
         ws.cell(row=row_idx, column=11).value = teacher.next_report
+
         col_idx = 12
         for k, v in imputations.items():
             ws.cell(row=row_idx, column=col_idx).value = v
@@ -860,4 +862,5 @@ def ortra_export(request):
     response = HttpResponse(save_virtual_workbook(wb), content_type=openxml_contenttype)
     response['Content-Disposition'] = 'attachment; filename=%s%s.xlsx' % (
         'ortra_export_', date.strftime(date.today(), '%Y-%m-%d'))
-    return response
\ No newline at end of file
+    return response
+