Refactoring: rename covid19 to flask_covid19

src/flask_covid19/blueprints/data_ecdc/ecdc_model.py

@@ -138,12 +138,11 @@ class EcdcCountry(BlueprintLocation):
     )
 
     def __str__(self):
-        return " " + self.geo_id \
-             + " " + self.location_code \
-             + " " + self.location \
-             + " " + self.pop_data_2019 \
-             + " " + self.location_group.location_group \
-             + " "
+        return " " + self.location_code \
+             + " | " + self.location \
+             + " | " + self.pop_data_2019 \
+             + " | " + self.geo_id  \
+             + " -> " + self.location_group.location_group
 
     @classmethod
     def remove_all(cls):