[openaddresses] fixing house numbers with multiple consecutive hyphens

scripts/geodata/openaddresses/formatter.py

@@ -54,6 +54,8 @@ class OpenAddressesFormatter(object):
         AddressFormatter.HOUSE_NUMBER: [
             # Most of the house numbers in Montreal start with "#"
             (re.compile('^#', re.UNICODE), six.u('')),
+            # Some house numbers have multiple hyphens
+            (re.compile('[\-]{2,}'), six.u('-')),
             # Some house number ranges are split up like "12 -14"
             (re.compile('[\s]*\-[\s]*'), six.u('-')),
         ]