the application was rewritten a bit to be more testable

api/tasks/esales.py

@@ -1,5 +1,5 @@
 # coding=utf-8
-from api import app
+from flask import current_app
 from api.models.locale import Locale
 from esales.models import Category, CategoryTree
 from esales.utils import ImportFile
@@ -25,7 +25,7 @@ def update_designer(designer):
         tree.add_category(category)
         importfile.add_operation("update", tree)
 
-    directory = app.config.get("ESALES_IMPORT_DIR")
+    directory = current_app.config.get("ESALES_IMPORT_DIR")
     importfile.write(directory)
 
 
@@ -46,5 +46,5 @@ def update_category(category):
         ))
         importfile.add_operation("update", tree)
 
-    directory = app.config.get("ESALES_IMPORT_DIR")
+    directory = current_app.config.get("ESALES_IMPORT_DIR")
     importfile.write(directory)