copy_schema_to_ca: Fallback to old import location for ipaplatform.services

This file is copied to older servers that might not have the ipaplatform
refactoring.
Import from the old location if the new one is not available.

https://fedorahosted.org/freeipa/ticket/4763

Reviewed-By: Tomas Babej <tbabej@redhat.com>

install/share/copy-schema-to-ca.py

@@ -15,13 +15,17 @@ import sys
 import pwd
 import shutil
 
-from ipaplatform import services
 from ipapython import ipautil, dogtag
 from ipapython.ipa_log_manager import root_logger, standard_logging_setup
 from ipaserver.install.dsinstance import DS_USER, schema_dirname
 from ipaserver.install.cainstance import PKI_USER
 from ipalib import api
 
+try:
+    from ipaplatform import services
+except ImportError:
+    from ipapython import services  # pylint: disable=no-name-in-module
+
 SERVERID = "PKI-IPA"
 SCHEMA_FILENAMES = (
     "60kerberos.ldif",