[FIX] crash if this branch is in addons path but report_xls is not available

account_financial_report_webkit_xls/__init__.py

@@ -21,4 +21,9 @@
 ##############################################################################
 
 from . import wizard
+try:
     from . import report
+except ImportError:
+    import logging
+    logging.getLogger('openerp.module').warning('report_xls not available in addons path. account_financial_report_webkit_xls will not be usable')
+

account_move_line_report_xls/__init__.py

@@ -21,4 +21,9 @@
 ##############################################################################
 
 from . import account_move_line
+try:
     from . import report
+except ImportError:
+    import logging
+    logging.getLogger('openerp.module').warning('report_xls not available in addons path. account_financial_report_webkit_xls will not be usable')
+