X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/63b82f437c0f237c76f460ef71be0bb3ed42f7f4..84260dab5182907cae91849acd652c138c2d5095:/sdk/python/arvados/commands/arv_copy.py

diff --git a/sdk/python/arvados/commands/arv_copy.py b/sdk/python/arvados/commands/arv_copy.py
index f728b2c591..a10eb2b348 100755
--- a/sdk/python/arvados/commands/arv_copy.py
+++ b/sdk/python/arvados/commands/arv_copy.py
@@ -71,10 +71,10 @@ def main():
         help='Perform copy even if the object appears to exist at the remote destination.')
     copy_opts.add_argument(
         '--src', dest='source_arvados', required=True,
-        help='The name of the source Arvados instance (required). May be either a pathname to a config file, or the basename of a file in $HOME/.config/arvados/instance_name.conf.')
+        help='The name of the source Arvados instance (required) - points at an Arvados config file. May be either a pathname to a config file, or (for example) "foo" as shorthand for $HOME/.config/arvados/foo.conf.')
     copy_opts.add_argument(
         '--dst', dest='destination_arvados', required=True,
-        help='The name of the destination Arvados instance (required). May be either a pathname to a config file, or the basename of a file in $HOME/.config/arvados/instance_name.conf.')
+        help='The name of the destination Arvados instance (required) - points at an Arvados config file. May be either a pathname to a config file, or (for example) "foo" as shorthand for $HOME/.config/arvados/foo.conf.')
     copy_opts.add_argument(
         '--recursive', dest='recursive', action='store_true',
         help='Recursively copy any dependencies for this object. (default)')
@@ -330,9 +330,10 @@ def copy_collections(obj, src, dst, args):
         obj = arvados.util.collection_uuid_pattern.sub(copy_collection_fn, obj)
         return obj
     elif isinstance(obj, dict):
-        return {v: copy_collections(obj[v], src, dst, args) for v in obj}
+        return type(obj)((v, copy_collections(obj[v], src, dst, args))
+                         for v in obj)
     elif isinstance(obj, list):
-        return [copy_collections(v, src, dst, args) for v in obj]
+        return type(obj)(copy_collections(v, src, dst, args) for v in obj)
     return obj
 
 def migrate_jobspec(jobspec, src, dst, dst_repo, args):