refactoring

account_bank_statement_import_paypal/wizards/account_bank_statement_import_paypal.py

@@ -66,13 +66,13 @@ class AccountBankStatementImport(models.TransientModel):
 
     @api.model
     def _check_paypal(self, data_file):
+        if not self.paypal_map_id:
+            return False
         try:
             data_file = self._get_paypal_str_data(data_file)
         except UnicodeDecodeError as e:
             _logger.debug(e)
             return False
-        if not self.paypal_map_id:
-            return False
         headers = self.mapped('paypal_map_id.map_line_ids.name')
         file_headers = data_file.split('\n', 1)[0]
         if any(item not in file_headers for item in headers):