Upgrade yapf to 0.20.0

Upgrade yapf version to 0.20.0 and reformat Python files.

8 files changed, 35 insertions, 24 deletions

diff --git a/tools/profiling/microbenchmarks/bm2bq.py b/tools/profiling/microbenchmarks/bm2bq.py
index 746b643b43..e084e28dcf 100755
--- a/tools/profiling/microbenchmarks/bm2bq.py
+++ b/tools/profiling/microbenchmarks/bm2bq.py
@@ -28,9 +28,9 @@ import subprocess
 columns = []
 
 for row in json.loads(
-        subprocess.check_output([
-            'bq', '--format=json', 'show', 'microbenchmarks.microbenchmarks'
-        ]))['schema']['fields']:
+        subprocess.check_output(
+            ['bq', '--format=json', 'show',
+             'microbenchmarks.microbenchmarks']))['schema']['fields']:
     columns.append((row['name'], row['type'].lower()))
 
 SANITIZE = {
diff --git a/tools/profiling/microbenchmarks/bm_diff/bm_build.py b/tools/profiling/microbenchmarks/bm_diff/bm_build.py
index a4cd61707d..4197ba3632 100755
--- a/tools/profiling/microbenchmarks/bm_diff/bm_build.py
+++ b/tools/profiling/microbenchmarks/bm_diff/bm_build.py
@@ -43,7 +43,8 @@ def _args():
         '-n',
         '--name',
         type=str,
-        help='Unique name of this build. To be used as a handle to pass to the other bm* scripts'
+        help=
+        'Unique name of this build. To be used as a handle to pass to the other bm* scripts'
     )
     argp.add_argument('--counters', dest='counters', action='store_true')
     argp.add_argument('--no-counters', dest='counters', action='store_false')
@@ -71,7 +72,8 @@ def build(name, benchmarks, jobs, counters):
             subprocess.check_call(_make_cmd('counters', benchmarks, jobs))
     os.rename(
         'bins',
-        'bm_diff_%s' % name,)
+        'bm_diff_%s' % name,
+    )
 
 
 if __name__ == '__main__':
diff --git a/tools/profiling/microbenchmarks/bm_diff/bm_constants.py b/tools/profiling/microbenchmarks/bm_diff/bm_constants.py
index cff29dbe08..5719e42620 100644
--- a/tools/profiling/microbenchmarks/bm_diff/bm_constants.py
+++ b/tools/profiling/microbenchmarks/bm_diff/bm_constants.py
@@ -22,10 +22,12 @@ _AVAILABLE_BENCHMARK_TESTS = [
     'bm_metadata', 'bm_fullstack_trickle'
 ]
 
-_INTERESTING = (
-    'cpu_time', 'real_time', 'call_initial_size-median', 'locks_per_iteration',
-    'allocs_per_iteration', 'writes_per_iteration', 'atm_cas_per_iteration',
-    'atm_add_per_iteration', 'nows_per_iteration',
-    'cli_transport_stalls_per_iteration', 'cli_stream_stalls_per_iteration',
-    'svr_transport_stalls_per_iteration', 'svr_stream_stalls_per_iteration',
-    'http2_pings_sent_per_iteration')
+_INTERESTING = ('cpu_time', 'real_time', 'call_initial_size-median',
+                'locks_per_iteration', 'allocs_per_iteration',
+                'writes_per_iteration', 'atm_cas_per_iteration',
+                'atm_add_per_iteration', 'nows_per_iteration',
+                'cli_transport_stalls_per_iteration',
+                'cli_stream_stalls_per_iteration',
+                'svr_transport_stalls_per_iteration',
+                'svr_stream_stalls_per_iteration',
+                'http2_pings_sent_per_iteration')
diff --git a/tools/profiling/microbenchmarks/bm_diff/bm_diff.py b/tools/profiling/microbenchmarks/bm_diff/bm_diff.py
index b8a3b22861..f975a8b402 100755
--- a/tools/profiling/microbenchmarks/bm_diff/bm_diff.py
+++ b/tools/profiling/microbenchmarks/bm_diff/bm_diff.py
@@ -65,7 +65,8 @@ def _args():
         '--loops',
         type=int,
         default=20,
-        help='Number of times to loops the benchmarks. Must match what was passed to bm_run.py'
+        help=
+        'Number of times to loops the benchmarks. Must match what was passed to bm_run.py'
     )
     argp.add_argument(
         '-r',
diff --git a/tools/profiling/microbenchmarks/bm_diff/bm_main.py b/tools/profiling/microbenchmarks/bm_diff/bm_main.py
index 137c22bf8e..96c63ba060 100755
--- a/tools/profiling/microbenchmarks/bm_diff/bm_main.py
+++ b/tools/profiling/microbenchmarks/bm_diff/bm_main.py
@@ -78,7 +78,8 @@ def _args():
         '--loops',
         type=int,
         default=10,
-        help='Number of times to loops the benchmarks. More loops cuts down on noise'
+        help=
+        'Number of times to loops the benchmarks. More loops cuts down on noise'
     )
     argp.add_argument(
         '-j',
diff --git a/tools/profiling/microbenchmarks/bm_diff/bm_run.py b/tools/profiling/microbenchmarks/bm_diff/bm_run.py
index 08894bbe4d..dfb9b178fa 100755
--- a/tools/profiling/microbenchmarks/bm_diff/bm_run.py
+++ b/tools/profiling/microbenchmarks/bm_diff/bm_run.py
@@ -51,7 +51,8 @@ def _args():
         '-n',
         '--name',
         type=str,
-        help='Unique name of the build to run. Needs to match the handle passed to bm_build.py'
+        help=
+        'Unique name of the build to run. Needs to match the handle passed to bm_build.py'
     )
     argp.add_argument(
         '-r',
@@ -64,7 +65,8 @@ def _args():
         '--loops',
         type=int,
         default=20,
-        help='Number of times to loops the benchmarks. More loops cuts down on noise'
+        help=
+        'Number of times to loops the benchmarks. More loops cuts down on noise'
     )
     argp.add_argument('--counters', dest='counters', action='store_true')
     argp.add_argument('--no-counters', dest='counters', action='store_false')
@@ -82,13 +84,14 @@ def _collect_bm_data(bm, cfg, name, regex, idx, loops):
             'bm_diff_%s/%s/%s' % (name, cfg, bm), '--benchmark_list_tests',
             '--benchmark_filter=%s' % regex
     ]).splitlines():
-        stripped_line = line.strip().replace("/", "_").replace(
-            "<", "_").replace(">", "_").replace(", ", "_")
+        stripped_line = line.strip().replace("/",
+                                             "_").replace("<", "_").replace(
+                                                 ">", "_").replace(", ", "_")
         cmd = [
             'bm_diff_%s/%s/%s' % (name, cfg, bm),
             '--benchmark_filter=^%s$' % line,
-            '--benchmark_out=%s.%s.%s.%s.%d.json' %
-            (bm, stripped_line, cfg, name, idx),
+            '--benchmark_out=%s.%s.%s.%s.%d.json' % (bm, stripped_line, cfg,
+                                                     name, idx),
             '--benchmark_out_format=json',
         ]
         jobs_list.append(
diff --git a/tools/profiling/microbenchmarks/bm_json.py b/tools/profiling/microbenchmarks/bm_json.py
index 1dd9f65dbf..497d7ca813 100644
--- a/tools/profiling/microbenchmarks/bm_json.py
+++ b/tools/profiling/microbenchmarks/bm_json.py
@@ -183,7 +183,8 @@ def expand_json(js, js2=None):
         context = js['context']
         if 'label' in bm:
             labels_list = [
-                s.split(':') for s in bm['label'].strip().split(' ')
+                s.split(':')
+                for s in bm['label'].strip().split(' ')
                 if len(s) and s[0] != '#'
             ]
             for el in labels_list:
diff --git a/tools/profiling/qps/qps_diff.py b/tools/profiling/qps/qps_diff.py
index 55a81f034d..393f862b4d 100755
--- a/tools/profiling/qps/qps_diff.py
+++ b/tools/profiling/qps/qps_diff.py
@@ -48,7 +48,8 @@ def _args():
         '--loops',
         type=int,
         default=4,
-        help='Number of loops for each benchmark. More loops cuts down on noise')
+        help='Number of loops for each benchmark. More loops cuts down on noise'
+    )
     argp.add_argument(
         '-j',
         '--jobs',
@@ -128,8 +129,8 @@ def diff(scenarios, loops, old, new):
     rows = []
     for sn in scenarios:
         mdn_diff = abs(_median(new_data[sn]) - _median(old_data[sn]))
-        print('%s: %s=%r %s=%r mdn_diff=%r' %
-              (sn, new, new_data[sn], old, old_data[sn], mdn_diff))
+        print('%s: %s=%r %s=%r mdn_diff=%r' % (sn, new, new_data[sn], old,
+                                               old_data[sn], mdn_diff))
         s = bm_speedup.speedup(new_data[sn], old_data[sn], 10e-5)
         if abs(s) > 3 and mdn_diff > 0.5:
             rows.append([sn, '%+d%%' % s])