diff --git a/backend/geonature/core/gn_synthese/imports/synthese_import_mixin.py b/backend/geonature/core/gn_synthese/imports/synthese_import_mixin.py
index a99d8ace8b..63554a2dc9 100644
--- a/backend/geonature/core/gn_synthese/imports/synthese_import_mixin.py
+++ b/backend/geonature/core/gn_synthese/imports/synthese_import_mixin.py
@@ -59,6 +59,7 @@
 import typing
 import json
 
+
 class SyntheseImportMixin(ImportMixin):
 
     @staticmethod
@@ -277,24 +278,6 @@ def update_batch_progress(batch, step):
                 id_area=current_app.config["IMPORT"]["ID_AREA_RESTRICTION"],
             )
 
-        #        progress = 0.4 + ((i + 1) / len(sql_checks)) * 0.6
-        #        task.update_state(state="PROGRESS", meta={"progress": progress})
-
-        # def get_where_clause_id_import(self, imprt: TImports) -> str:
-        #     return get_where_clause_id_import(imprt)
-
-        # def import_data_to_destination(self, imprt: TImports) -> None:
-        #     import_data_to_synthese(imprt)
-
-        # def remove_data_from_destination(self, imprt: TImports) -> None:
-        #     remove_data_from_synthese(imprt)
-
-        # def report_plot(self, imprt: TImports) -> Row:
-        #     return report_plot(imprt)
-
-        # def compute_bounding_box(self, imprt: TImports) -> None:
-        #     return None
-
     @staticmethod
     def import_data_to_destination(imprt: TImports) -> None:
         module = TModules.query.filter_by(module_code="IMPORT").one()
diff --git a/backend/geonature/core/gn_synthese/module.py b/backend/geonature/core/gn_synthese/module.py
index 694d074f14..c1380b7230 100644
--- a/backend/geonature/core/gn_synthese/module.py
+++ b/backend/geonature/core/gn_synthese/module.py
@@ -1,7 +1,6 @@
 from geonature.core.gn_commons.models import TModules
 
 from geonature.core.gn_synthese.imports import SyntheseImportMixin
-from abc import ABCMeta
 
 
 class SyntheseModuleMetaclass(type(SyntheseImportMixin), type(TModules)):
diff --git a/backend/geonature/core/imports/import_mixin.py b/backend/geonature/core/imports/import_mixin.py
index d0de0d5eda..55ab215ff3 100644
--- a/backend/geonature/core/imports/import_mixin.py
+++ b/backend/geonature/core/imports/import_mixin.py
@@ -11,6 +11,7 @@ class ImportStatisticsLabels(typing.TypedDict):
     key: str
     value: str
 
+
 class ImportInputUrl(typing.TypedDict):
     url: str
     label: str
diff --git a/backend/geonature/core/imports/models.py b/backend/geonature/core/imports/models.py
index b33152d5ec..dd3344348a 100644
--- a/backend/geonature/core/imports/models.py
+++ b/backend/geonature/core/imports/models.py
@@ -134,6 +134,7 @@ def validity_columns(self):
     @property
     def import_mixin(self):
         from geonature.core.imports.import_mixin import ImportMixin
+
         if not ImportMixin.is_implemented_in_module(type(self.module)):
             raise NotImplementedError
         return self.module
@@ -142,6 +143,7 @@ def import_mixin(self):
     def statistics_labels(self):
         return self.import_mixin.statistics_labels()
 
+
 @serializable
 class BibThemes(db.Model):
     __tablename__ = "bib_themes"
diff --git a/contrib/gn_module_occhab/backend/gn_module_occhab/imports/occhab_import_mixin.py b/contrib/gn_module_occhab/backend/gn_module_occhab/imports/occhab_import_mixin.py
index dd7b7f13e9..8320be1638 100644
--- a/contrib/gn_module_occhab/backend/gn_module_occhab/imports/occhab_import_mixin.py
+++ b/contrib/gn_module_occhab/backend/gn_module_occhab/imports/occhab_import_mixin.py
@@ -45,6 +45,7 @@
 )
 from bokeh.embed.standalone import StandaloneEmbedJson
 
+
 class OcchabImportMixin(ImportMixin):
 
     @staticmethod
@@ -367,9 +368,7 @@ def compute_bounding_box(imprt: TImports):
             transient_table = imprt.destination.get_transient_table()
             statement = (
                 sa.select(
-                    sa.func.ST_AsGeojson(
-                        sa.func.ST_Extent(transient_table.c[name_geom_4326_field])
-                    )
+                    sa.func.ST_AsGeojson(sa.func.ST_Extent(transient_table.c[name_geom_4326_field]))
                 )
                 .where(where_clause_id_import)
                 .where(transient_table.c[entity.validity_column] == True)