16856: Make spurious msg "Using empty collection" debug log level

Arvados-DCO-1.1-Signed-off-by: Peter Amstutz <peter.amstutz@curii.com>

diff --git a/sdk/python/arvados/commands/run.py b/sdk/python/arvados/commands/run.py
index a45775470a0ca49a731ba839803eb8b5f43be124..1e64eeb1dafd06105a5eef02e0737ddfab3ed597 100644 (file)
--- a/sdk/python/arvados/commands/run.py
+++ b/sdk/python/arvados/commands/run.py
@@ -236,7 +236,7 @@ def uploadfiles(files, api, dry_run=False, num_retries=0,
             # empty collection
             pdh = collection.portable_data_hash()
             assert (pdh == config.EMPTY_BLOCK_LOCATOR), "Empty collection portable_data_hash did not have expected locator, was %s" % pdh
-            logger.info("Using empty collection %s", pdh)
+            logger.debug("Using empty collection %s", pdh)
 
     for c in files:
         c.keepref = "%s/%s" % (pdh, c.fn)