diff --git a/src/covid19/blueprints/who/who_model.py b/src/covid19/blueprints/who/who_model.py
index 80e4c94ead57818d18bfb419d811b706716687c3..0a8e3c64bd18c709b0a1d0555ba1dd4eda8b3fb1 100644
--- a/src/covid19/blueprints/who/who_model.py
+++ b/src/covid19/blueprints/who/who_model.py
@@ -252,7 +252,7 @@ class WhoData(db.Model):
     def delete_data_for_one_day(cls, date_reported):
         for one_who_date in cls.get_data_for_one_day(date_reported):
             db.session.delete(one_who_date)
-        db.session.commit()
+            db.session.commit()
         return None
 
     @classmethod
@@ -352,3 +352,7 @@ class WhoData(db.Model):
                 datum_of_all_who_data.append(datum)
         datum_of_all_who_data.sort()
         return datum_of_all_who_data
+
+    @classmethod
+    def get_joungest_datum(cls):
+        return cls.get_datum_of_all_who_data().pop()
diff --git a/src/covid19/blueprints/who/who_service_update.py b/src/covid19/blueprints/who/who_service_update.py
index 0229b3457e6e222a8e6e4d3bfb9b10173e3d5624..a984b67bd6ea0c6a58b9b6a6a2b2c9a375fd4ff1 100644
--- a/src/covid19/blueprints/who/who_service_update.py
+++ b/src/covid19/blueprints/who/who_service_update.py
@@ -103,6 +103,7 @@ class WhoServiceUpdate:
         new_dates_reported_from_import = self.who_import_get_new_dates_as_array()
         i = 0
         for my_date_reported in new_dates_reported_from_import:
+            app.logger.info(my_date_reported)
             my_date = WhoDateReported.find_by_date_reported(my_date_reported)
             if my_date is None:
                 myday = WhoDateReported.create_new_object_factory(my_date_reported)
diff --git a/src/covid19/blueprints/who_test/who_test_service.py b/src/covid19/blueprints/who_test/who_test_service.py
index 3fdf6274a0a5fe2e2b2ec77bbeadd15ac2d423c0..ab8f987ab1317ececcee9bea766bec621db365fa 100644
--- a/src/covid19/blueprints/who_test/who_test_service.py
+++ b/src/covid19/blueprints/who_test/who_test_service.py
@@ -15,7 +15,8 @@ class WhoTestService:
         app.logger.info(" WHO Test Service [ready]")
 
     def delete_last_day(self):
-        joungest_datum = WhoDateReported.get_joungest_datum()
+        joungest_datum_str = WhoData.get_joungest_datum()
+        joungest_datum = WhoDateReported.find_by_date_reported(joungest_datum_str)
         app.logger.info("joungest_datum:")
         app.logger.info(joungest_datum)
         app.logger.info("WhoData.get_data_for_one_day(joungest_datum):")