Upgrade yapf to 0.20.0
Upgrade yapf version to 0.20.0 and reformat Python files.
diff --git a/tools/run_tests/python_utils/filter_pull_request_tests.py b/tools/run_tests/python_utils/filter_pull_request_tests.py
index 8e0dc70..4c09b34 100644
--- a/tools/run_tests/python_utils/filter_pull_request_tests.py
+++ b/tools/run_tests/python_utils/filter_pull_request_tests.py
@@ -124,10 +124,10 @@
"""
# Get file changes between branch and merge-base of specified branch
# Not combined to be Windows friendly
- base_commit = check_output(
- ["git", "merge-base", base_branch, "HEAD"]).rstrip()
- return check_output(
- ["git", "diff", base_commit, "--name-only", "HEAD"]).splitlines()
+ base_commit = check_output(["git", "merge-base", base_branch,
+ "HEAD"]).rstrip()
+ return check_output(["git", "diff", base_commit, "--name-only",
+ "HEAD"]).splitlines()
def _can_skip_tests(file_names, triggers):