[REF] account_export_csv - refactor of columns encoding

account_export_csv/wizard/account_export_csv.py

@@ -51,14 +51,7 @@ class AccountUnicodeWriter(object):
         #we ensure that we do not try to encode none or bool
         row = (x or u'' for x in row)
 
-        encoded_row = []
-        for c in row:
-            if isinstance(c, unicode):
-                val = c.encode("utf-8")
-            else:
-                val = c
-
-            encoded_row.append(val)
+        encoded_row = (c.encode("utf-8") if isinstance(c, unicode) else c for c in row)
 
         self.writer.writerow(encoded_row)
         # Fetch UTF-8 output from the queue ...