[9.0][account_financial_report_qweb] Remove ImportError.

Yet another violation of https://github.com/OCA/maintainer-quality-tools/pull/354.

account_financial_report_qweb/report/__init__.py

@@ -4,6 +4,9 @@
 # © 2016 Julien Coux (Camptocamp)
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).-
 
+import logging
+_logger = logging.getLogger(__name__)
+try:
     from . import abstract_report_xlsx
     from . import aged_partner_balance
     from . import aged_partner_balance_xlsx
@@ -13,3 +16,7 @@ from . import open_items
     from . import open_items_xlsx
     from . import trial_balance
     from . import trial_balance_xlsx
+except ImportError:
+    _logger.info("ImportError raised while loading module.")
+    _logger.debug("ImportError details:", exc_info=True)
+    ReportXlsx = object