diff --git a/app/scodoc/sco_pvjury.py b/app/scodoc/sco_pvjury.py
index 3cba7a93..9b374b8e 100644
--- a/app/scodoc/sco_pvjury.py
+++ b/app/scodoc/sco_pvjury.py
@@ -52,7 +52,8 @@ from reportlab.platypus import Paragraph
 from reportlab.lib import styles
 
 import flask
-from flask import url_for, g, redirect, request
+from flask import flash, redirect, url_for
+from flask import g, request
 
 from app.comp import res_sem
 from app.comp.res_compat import NotesTableCompat
@@ -798,7 +799,7 @@ def descrform_pvjury(sem):
 
 def formsemestre_lettres_individuelles(formsemestre_id, group_ids=[]):
     "Lettres avis jury en PDF"
-    sem = sco_formsemestre.get_formsemestre(formsemestre_id)
+    formsemestre: FormSemestre = FormSemestre.query.get_or_404(formsemestre_id)
     if not group_ids:
         # tous les inscrits du semestre
         group_ids = [sco_groups.get_default_group(formsemestre_id)]
@@ -814,10 +815,15 @@ def formsemestre_lettres_individuelles(formsemestre_id, group_ids=[]):
             cssstyles=sco_groups_view.CSSSTYLES,
             init_qtip=True,
         ),
-        """<p class="help">Utiliser cette page pour éditer des versions provisoires des PV.
-          <span class="fontred">Il est recommandé d'archiver les versions définitives: <a href="formsemestre_archive?formsemestre_id=%s">voir cette page</a></span></p>
-         """
-        % formsemestre_id,
+        f"""<p class="help">Utiliser cette page pour éditer des versions provisoires des PV.
+          <span class="fontred">Il est recommandé d'archiver les versions définitives: <a 
+          href="{url_for(
+                "notes.formsemestre_archive",
+                scodoc_dept=g.scodoc_dept,
+                formsemestre_id=formsemestre_id,
+            )}"
+          >voir cette page</a></span></p>
+         """,
     ]
     F = html_sco_header.sco_footer()
     descr = descrform_lettres_individuelles()
@@ -842,7 +848,11 @@ def formsemestre_lettres_individuelles(formsemestre_id, group_ids=[]):
         return "\n".join(H) + "\n" + tf[1] + F
     elif tf[0] == -1:
         return flask.redirect(
-            "formsemestre_pvjury?formsemestre_id=%s" % (formsemestre_id)
+            url_for(
+                "notes.formsemestre_pvjury",
+                scodoc_dept=g.scodoc_dept,
+                formsemestre_id=formsemestre_id,
+            )
         )
     else:
         # submit
@@ -860,15 +870,17 @@ def formsemestre_lettres_individuelles(formsemestre_id, group_ids=[]):
         finally:
             PDFLOCK.release()
         if not pdfdoc:
+            flash("Aucun étudiant n'a de décision de jury !")
             return flask.redirect(
-                "formsemestre_status?formsemestre_id={}&head_message=Aucun%20%C3%A9tudiant%20n%27a%20de%20d%C3%A9cision%20de%20jury".format(
-                    formsemestre_id
+                url_for(
+                    "notes.formsemestre_status",
+                    scodoc_dept=g.scodoc_dept,
+                    formsemestre_id=formsemestre_id,
                 )
             )
-        sem = sco_formsemestre.get_formsemestre(formsemestre_id)
-        dt = time.strftime("%Y-%m-%d")
+
         groups_filename = "-" + groups_infos.groups_filename
-        filename = "lettres-%s%s-%s.pdf" % (sem["titre_num"], groups_filename, dt)
+        filename = f"""lettres-{formsemestre.titre_num()}{groups_filename}-{time.strftime("%Y-%m-%d")}.pdf"""
         return scu.sendPDFFile(pdfdoc, filename)
 
 
diff --git a/app/scodoc/sco_pvpdf.py b/app/scodoc/sco_pvpdf.py
index b2515895..8ef1c12c 100644
--- a/app/scodoc/sco_pvpdf.py
+++ b/app/scodoc/sco_pvpdf.py
@@ -45,13 +45,14 @@ from flask import g
 import app.scodoc.sco_utils as scu
 from app.scodoc import sco_bulletins_pdf
 from app.scodoc import sco_codes_parcours
+from app.scodoc import sco_etud
 from app.scodoc import sco_formsemestre
 from app.scodoc import sco_pdf
 from app.scodoc import sco_preferences
-from app.scodoc import sco_etud
-import sco_version
 from app.scodoc.sco_logos import find_logo
+from app.scodoc.sco_parcours_dut import SituationEtudParcours
 from app.scodoc.sco_pdf import SU
+import sco_version
 
 LOGO_FOOTER_ASPECT = scu.CONFIG.LOGO_FOOTER_ASPECT  # XXX A AUTOMATISER
 LOGO_FOOTER_HEIGHT = scu.CONFIG.LOGO_FOOTER_HEIGHT * mm
@@ -62,7 +63,7 @@ LOGO_HEADER_HEIGHT = scu.CONFIG.LOGO_HEADER_HEIGHT * mm
 LOGO_HEADER_WIDTH = LOGO_HEADER_HEIGHT * scu.CONFIG.LOGO_HEADER_ASPECT
 
 
-def pageFooter(canvas, doc, logo, preferences, with_page_numbers=True):
+def page_footer(canvas, doc, logo, preferences, with_page_numbers=True):
     "Add footer on page"
     width = doc.pagesize[0]  # - doc.pageTemplate.left_p - doc.pageTemplate.right_p
     foot = Frame(
@@ -78,24 +79,24 @@ def pageFooter(canvas, doc, logo, preferences, with_page_numbers=True):
         showBoundary=0,
     )
 
-    LeftFootStyle = reportlab.lib.styles.ParagraphStyle({})
-    LeftFootStyle.fontName = preferences["SCOLAR_FONT"]
-    LeftFootStyle.fontSize = preferences["SCOLAR_FONT_SIZE_FOOT"]
-    LeftFootStyle.leftIndent = 0
-    LeftFootStyle.firstLineIndent = 0
-    LeftFootStyle.alignment = TA_RIGHT
-    RightFootStyle = reportlab.lib.styles.ParagraphStyle({})
-    RightFootStyle.fontName = preferences["SCOLAR_FONT"]
-    RightFootStyle.fontSize = preferences["SCOLAR_FONT_SIZE_FOOT"]
-    RightFootStyle.alignment = TA_RIGHT
+    left_foot_style = reportlab.lib.styles.ParagraphStyle({})
+    left_foot_style.fontName = preferences["SCOLAR_FONT"]
+    left_foot_style.fontSize = preferences["SCOLAR_FONT_SIZE_FOOT"]
+    left_foot_style.leftIndent = 0
+    left_foot_style.firstLineIndent = 0
+    left_foot_style.alignment = TA_RIGHT
+    right_foot_style = reportlab.lib.styles.ParagraphStyle({})
+    right_foot_style.fontName = preferences["SCOLAR_FONT"]
+    right_foot_style.fontSize = preferences["SCOLAR_FONT_SIZE_FOOT"]
+    right_foot_style.alignment = TA_RIGHT
 
     p = sco_pdf.makeParas(
-        """<para>%s</para><para>%s</para>"""
-        % (preferences["INSTITUTION_NAME"], preferences["INSTITUTION_ADDRESS"]),
-        LeftFootStyle,
+        f"""<para>{preferences["INSTITUTION_NAME"]}</para><para>{
+            preferences["INSTITUTION_ADDRESS"]}</para>""",
+        left_foot_style,
     )
 
-    np = Paragraph('<para fontSize="14">%d</para>' % doc.page, RightFootStyle)
+    np = Paragraph(f'<para fontSize="14">{doc.page}</para>', right_foot_style)
     tabstyle = TableStyle(
         [
             ("LEFTPADDING", (0, 0), (-1, -1), 0),
@@ -123,7 +124,7 @@ def pageFooter(canvas, doc, logo, preferences, with_page_numbers=True):
     canvas.restoreState()
 
 
-def pageHeader(canvas, doc, logo, preferences, only_on_first_page=False):
+def page_header(canvas, doc, logo, preferences, only_on_first_page=False):
     if only_on_first_page and int(doc.page) > 1:
         return
     height = doc.pagesize[1]
@@ -260,7 +261,7 @@ class CourrierIndividuelTemplate(PageTemplate):
 
         # ---- Header/Footer
         if self.with_header:
-            pageHeader(
+            page_header(
                 canvas,
                 doc,
                 self.logo_header,
@@ -268,7 +269,7 @@ class CourrierIndividuelTemplate(PageTemplate):
                 self.header_only_on_first_page,
             )
         if self.with_footer:
-            pageFooter(
+            page_footer(
                 canvas,
                 doc,
                 self.logo_footer,
@@ -427,7 +428,7 @@ def pdf_lettre_individuelle(sem, decision, etud, params, signature=None):
     """
     #
     formsemestre_id = sem["formsemestre_id"]
-    Se = decision["Se"]
+    Se: SituationEtudParcours = decision["Se"]
     t, s = _descr_jury(sem, Se.parcours_validated() or not Se.semestre_non_terminal)
     objects = []
     style = reportlab.lib.styles.ParagraphStyle({})