[buildstream] 02/02: _stream.py: Fix type annotation for artifact_url and source_url

[tv...@apache.org]

This is an automated email from the ASF dual-hosted git repository.

tvb pushed a commit to branch chiaratolentino/refactor-setup-remotes
in repository https://gitbox.apache.org/repos/asf/buildstream.git

commit 79fbf28213f78f3e8ea76479bc423b870cfb9b12
Author: ctolentino8 <ct...@bloomberg.net>
AuthorDate: Thu Nov 28 16:56:20 2019 +0000

    _stream.py: Fix type annotation for artifact_url and source_url
---
 src/buildstream/_stream.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/buildstream/_stream.py b/src/buildstream/_stream.py
index 176662d..ca7e0b0 100644
--- a/src/buildstream/_stream.py
+++ b/src/buildstream/_stream.py
@@ -29,7 +29,7 @@ import tempfile
 from contextlib import contextmanager, suppress
 from fnmatch import fnmatch
 from collections import deque
-from typing import List, Tuple
+from typing import List, Tuple, Optional
 
 from ._artifactelement import verify_artifact_ref, ArtifactElement
 from ._exceptions import StreamError, ImplError, BstError, ArtifactElementError, ArtifactError
@@ -1137,7 +1137,7 @@ class Stream:
     #     source_url - The url of the source server to connect to.
     #
     def __connect_remotes(
-        self, artifact_url: str, source_url: str
+        self, artifact_url: Optional[str], source_url: Optional[str]
     ):
         # ArtifactCache.setup_remotes expects all projects to be fully loaded
         for project in self._context.get_projects():