diff --git a/bopytex/planner.py b/bopytex/planner.py
index 21d00ca..28fea3b 100644
--- a/bopytex/planner.py
+++ b/bopytex/planner.py
@@ -17,7 +17,7 @@ def naming_join(template):
     return naming_source2pdf("joined" + template[3:])
 
 
-def planner(
+def default_planner(
     template: str,
     subjects: list[dict],
     corr: bool = False,
diff --git a/bopytex/service.py b/bopytex/service.py
index 77ec753..5bb2b3a 100755
--- a/bopytex/service.py
+++ b/bopytex/service.py
@@ -5,22 +5,13 @@
 Producing then compiling templates
 """
 
-import logging
 import csv
 import os
 from bopytex.actions import ACTIONS
 
-from bopytex.planner import only_corr_planner, planner
+from bopytex.planner import only_corr_planner, default_planner
 from bopytex.scheduler import Scheduler
 
-formatter = logging.Formatter("%(name)s :: %(levelname)s :: %(message)s")
-steam_handler = logging.StreamHandler()
-steam_handler.setLevel(logging.DEBUG)
-steam_handler.setFormatter(formatter)
-logger = logging.getLogger(__name__)
-logger.setLevel(logging.DEBUG)
-logger.addHandler(steam_handler)
-
 
 def build_subject_list_from_infos(infos: list[dict]) -> list[dict]:
     subjects = []
@@ -47,10 +38,10 @@ def build_subjects(students_csv, quantity_subjects):
     return build_subject_list_from_qty(quantity_subjects)
 
 
-def list_tex_files_no_tpl(dir="."):
+def list_files(dir=".", accept=lambda _: True, reject=lambda _: False):
     tex_files = []
     for file in os.listdir(dir):
-        if file.endswith(".tex") and not file.startswith("tpl_"):
+        if accept(file) and not reject(file):
             tex_files.append(file)
     return tex_files
 
@@ -67,19 +58,21 @@ def bopytex(
 ):
 
     if only_corr:
-        tex_files = list_tex_files_no_tpl()
+        tex_files = list_files(
+            accept=lambda x: x.endswith(".tex"),
+            reject=lambda x: x.startswith("tpl_"),
+        )
         tasks = only_corr_planner(sources=tex_files, no_pdf=no_pdf, no_join=no_join)
     else:
         subjects = build_subjects(
             students_csv=students_csv, quantity_subjects=quantity_subjects
         )
-        tasks = planner(template, subjects, corr, no_join, no_pdf)
-
+        tasks = default_planner(template, subjects, corr, no_join, no_pdf)
 
     scheduler = Scheduler([template])
     scheduler.append(tasks)
 
-    for _ in scheduler.backlog:
+    for task in scheduler.backlog:
         pass
 
 
diff --git a/test/test_planner.py b/test/test_planner.py
index 9582726..41c542f 100644
--- a/test/test_planner.py
+++ b/test/test_planner.py
@@ -1,9 +1,9 @@
-from bopytex.planner import only_corr_planner, planner
+from bopytex.planner import only_corr_planner, default_planner
 from bopytex.tasks import Task
 
 
 def test_planner_generate():
-    tasks = planner(
+    tasks = default_planner(
         template="tpl_source.tex",
         subjects=[{"number": "01"}, {"number": "02"}],
         no_pdf=1,
@@ -25,7 +25,7 @@ def test_planner_generate():
 
 
 def test_planner_generate_compile():
-    tasks = planner(
+    tasks = default_planner(
         template="tpl_source.tex",
         subjects=[{"number": "01"}, {"number": "02"}],
         no_join=1,
@@ -59,7 +59,7 @@ def test_planner_generate_compile():
 
 
 def test_planner_generate_compile_join():
-    tasks = planner(
+    tasks = default_planner(
         template="tpl_source.tex",
         subjects=[{"number": "01"}, {"number": "02"}],
     )
@@ -98,7 +98,7 @@ def test_planner_generate_compile_join():
 
 
 def test_planner_generate_compile_corr():
-    tasks = planner(
+    tasks = default_planner(
         template="tpl_source.tex",
         subjects=[{"number": "01"}, {"number": "02"}],
         corr=1,
@@ -157,7 +157,7 @@ def test_planner_generate_compile_corr():
 
 
 def test_planner_generate_compile_corr_joined():
-    tasks = planner(
+    tasks = default_planner(
         template="tpl_source.tex",
         subjects=[{"number": "01"}, {"number": "02"}],
         corr=1,
@@ -225,9 +225,10 @@ def test_planner_generate_compile_corr_joined():
         ),
     ]
 
+
 def test_only_corr_planner():
     tasks = only_corr_planner(
-        sources = ["01_source.tex", "02_source.tex"],
+        sources=["01_source.tex", "02_source.tex"],
     )
     assert tasks == [
         Task(