Skip customer record with no member type, for blue line update

otherwise would just raise error, and prevent the rest of updates from
happening

rattail_corepos/corepos/office/importing/db/local.py

@@ -24,6 +24,7 @@
 CORE-POS -> "self" data import
 """
 
+import logging
 from collections import OrderedDict
 
 from corepos.db.office_op import model as corepos
@@ -34,6 +35,9 @@ from rattail_corepos.corepos.office.importing.db.corepos import FromCoreHandler
 from rattail_corepos.corepos.office.util import get_fannie_config_value
 
 
+log = logging.getLogger(__name__)
+
+
 class FromCoreOfficeToSelf(FromCoreHandler, corepos_importing.model.ToCoreHandler):
     """
     Common base class for import handlers which read data from the
@@ -85,6 +89,12 @@ class CustDataImporter(FromCoreOffice, corepos_importing.model.CustDataImporter)
                                                          'BLUELINE_TEMPLATE')
 
     def normalize_host_object(self, customer):
+
+        if not customer.member_type:
+            log.warning("skipping customer #%s with no member type: %s",
+                        customer.card_number, customer)
+            return
+
         blueline = self.blueline_template
         blueline = blueline.replace('{{ACCOUNTNO}}', str(customer.card_number))
         blueline = blueline.replace('{{ACCOUNTTYPE}}', customer.member_type.description)