fetch2: add runfetchcmd to import for fetchers

Signed-off-by: Saul Wold <sgw@linux.intel.com>

bitbake/lib/bb/fetch2/bzr.py

@@ -28,7 +28,10 @@ import sys
 import logging
 import bb
 from bb import data
-from bb.fetch2 import FetchMethod, FetchError, runfetchcmd, logger
+from bb.fetch2 import FetchMethod
+from bb.fetch2 import FetchError
+from bb.fetch2 import runfetchcmd
+from bb.fetch2 import logger
 
 class Bzr(FetchMethod):
     def supports(self, url, ud, d):