diff --git a/app/scodoc/sco_apogee_compare.py b/app/scodoc/sco_apogee_compare.py
index f116a42b1..0ccd94855 100644
--- a/app/scodoc/sco_apogee_compare.py
+++ b/app/scodoc/sco_apogee_compare.py
@@ -256,8 +256,8 @@ def apo_table_compare_etud_results(A, B):
             "prenom": "Prénom",
             "elt_code": "Element",
             "type_res": "Type",
-            "val_A": "A: %s" % A.orig_filename or "",
-            "val_B": "B: %s" % B.orig_filename or "",
+            "val_A": "A: %s" % (A.orig_filename or ""),
+            "val_B": "B: %s" % (B.orig_filename or ""),
         },
         columns_ids=("nip", "nom", "prenom", "elt_code", "type_res", "val_A", "val_B"),
         html_class="table_leftalign",
diff --git a/app/scodoc/sco_formsemestre_status.py b/app/scodoc/sco_formsemestre_status.py
index 1a018bad7..bff2283c7 100644
--- a/app/scodoc/sco_formsemestre_status.py
+++ b/app/scodoc/sco_formsemestre_status.py
@@ -1116,7 +1116,7 @@ def formsemestre_tableau_modules(
     prev_ue_id = None
     for modimpl in modimpls:
         mod = Module.query.get(modimpl["module_id"])
-        mod_descr = "Module " + mod.titre or ""
+        mod_descr = "Module " + (mod.titre or "")
         if mod.is_apc():
             coef_descr = ", ".join(
                 [f"{ue_acro}: {co}" for ue_acro, co in mod.ue_coefs_descr()]
diff --git a/tools/fakeportal/fakeportal.py b/tools/fakeportal/fakeportal.py
index be32524c1..0f306cc86 100755
--- a/tools/fakeportal/fakeportal.py
+++ b/tools/fakeportal/fakeportal.py
@@ -128,7 +128,7 @@ class MyHttpRequestHandler(http.server.SimpleHTTPRequestHandler):
                 )
                 self.send_response(404)
                 return
-        elif "getPhoto" in self.path or "scodocPhoto" in self.path:
+        elif ("getPhoto" in self.path) or ("scodocPhoto" in self.path):
             nip = query_components["nip"][0]
             self.path = str(get_photo_filename(nip))
             print(f"photo for nip={nip}: {self.path}")