diff --git a/app/scodoc/sco_placement.py b/app/scodoc/sco_placement.py
index 9a234875..9536d0b5 100644
--- a/app/scodoc/sco_placement.py
+++ b/app/scodoc/sco_placement.py
@@ -30,57 +30,50 @@
 Contribution M. Salomon, UFC / IUT DE BELFORT-MONTBÉLIARD, 2016
 
 """
-import six.moves.urllib.request, six.moves.urllib.parse, six.moves.urllib.error
 import random
 import time
 from copy import copy
 
 import wtforms.validators
-from flask import request, render_template, url_for
+from flask import request, render_template
 from flask_login import current_user
-from werkzeug import Response
 from flask_wtf import FlaskForm
+from openpyxl.styles import PatternFill, Alignment, Border, Side, Font
 from wtforms import (
     StringField,
-    PasswordField,
-    BooleanField,
     SubmitField,
     SelectField,
     RadioField,
     HiddenField,
     SelectMultipleField,
-    validators,
 )
-from wtforms.validators import ValidationError, DataRequired, Email, EqualTo
-
-from app.scodoc.sco_exceptions import ScoValueError
 import app.scodoc.sco_utils as scu
 import app.scodoc.notesdb as ndb
-from app.scodoc import html_sco_header
+from app import ScoValueError
+from app.scodoc import html_sco_header, sco_preferences
 from app.scodoc import sco_edit_module
 from app.scodoc import sco_evaluations
 from app.scodoc import sco_excel
+from app.scodoc.sco_excel import ScoExcelBook, COLORS
 from app.scodoc import sco_formsemestre
 from app.scodoc import sco_formsemestre_inscriptions
 from app.scodoc import sco_groups
 from app.scodoc import sco_moduleimpl
 from app.scodoc import sco_permissions_check
-from app.scodoc import sco_preferences
-from app.scodoc import sco_saisie_notes
+from app.scodoc.gen_tables import GenTable
 from app.scodoc import sco_etud
 import sco_version
-from app.scodoc.gen_tables import GenTable
-from app.scodoc.sco_excel import *  # XXX à vérifier
-from app.scodoc.TrivialFormulator import TrivialFormulator
 
-_ = lambda x: x  # sans babel
-_l = _
+# _ = lambda x: x  # sans babel
+# _l = _
 
 COORD = "Coordonnées"
 SEQ = "Continue"
 
 
 class PlacementForm(FlaskForm):
+    """Formulaire pour placement des étudiants en Salle"""
+
     TOUS = "Tous"
     evaluation_id = HiddenField("evaluation_id")
     file_format = RadioField(
@@ -115,7 +108,6 @@ class PlacementForm(FlaskForm):
         eval_data = sco_evaluations.do_evaluation_list({"evaluation_id": evaluation_id})
         if not eval_data:
             raise ScoValueError("invalid evaluation_id")
-        eval_data = eval_data[0]
         # groupes
         groups = sco_groups.do_evaluation_listegroupes(
             evaluation_id, include_default=True
@@ -123,7 +115,7 @@ class PlacementForm(FlaskForm):
         self.groups_tree = {}
         self.has_groups = False
         for group in groups:
-            partition = group["partition_name"] or self.TOUS  # TODO check required
+            partition = group["partition_name"] or self.TOUS
             group_id = group["group_id"]
             group_name = group["group_name"] or self.TOUS
             if partition not in self.groups_tree:
@@ -190,10 +182,12 @@ def placement_eval_selectetuds(evaluation_id):
             )
         return runner.exec_placement()  # calcul et generation du fichier
         # return flask.redirect(url_for("scodoc.index"))
-    H = [html_sco_header.sco_header(init_jquery_ui=True)]
-    H.append(sco_evaluations.evaluation_describe(evaluation_id=evaluation_id))
-    H.append("<h3>Placement et émargement des étudiants</h3>")
-    H.append(render_template("scodoc/forms/placement.html", form=form))
+    H = [
+        html_sco_header.sco_header(init_jquery_ui=True),
+        sco_evaluations.evaluation_describe(evaluation_id=evaluation_id),
+        "<h3>Placement et émargement des étudiants</h3>",
+        render_template("scodoc/forms/placement.html", form=form),
+    ]
     F = html_sco_header.sco_footer()
     return "\n".join(H) + "<p>" + F
 
@@ -269,7 +263,6 @@ class PlacementRunner:
     def _build_listetud(self):
         if None in [g["group_name"] for g in self.groups]:  # tous les etudiants
             getallstudents = True
-            gr_title_filename = "tous"
         else:
             getallstudents = False
         etudids = sco_groups.do_evaluation_listeetuds_groups(
@@ -330,7 +323,6 @@ class PlacementRunner:
             "ligne": "Ligne",
             "place": "Place",
         }
-        nb_rangs = int(self.nb_rangs)
         if self.etiquetage == COORD:
             columns_ids = ["nom", "prenom", "colonne", "ligne"]
         else:
@@ -531,7 +523,7 @@ class PlacementRunner:
         ws0.append_row(cells_c)
         ws0.set_row_dimension_height(row, space / 25)
 
-    def _next_page(ws):
+    def _next_page(self, ws):
         pass
 
     def _feuille1(self, ws, maxlines):