[CI] Fix python lint (#2925)

# Motivation

Fix the python lint check.

# Modification

This PR fixes all the warnings related to the new python lint check.

# Result

Only green CI.

.github/workflows/pull_request.yml

@@ -20,7 +20,7 @@ jobs:
     with:
       linux_5_9_arguments_override: "-Xswiftc -warnings-as-errors --explicit-target-dependency-import-check error"
       linux_5_10_arguments_override: "-Xswiftc -warnings-as-errors --explicit-target-dependency-import-check error"
-      linux_6_0_arguments_override: "-Xswiftc -warnings-as-errors --explicit-target-dependency-import-check error"
+      linux_6_0_arguments_override: "--explicit-target-dependency-import-check error"
       linux_nightly_6_0_arguments_override: "--explicit-target-dependency-import-check error"
       linux_nightly_main_arguments_override: "--explicit-target-dependency-import-check error"
 

.github/workflows/scheduled.yml

@@ -12,7 +12,7 @@ jobs:
     with:
       linux_5_9_arguments_override: "-Xswiftc -warnings-as-errors --explicit-target-dependency-import-check error"
       linux_5_10_arguments_override: "-Xswiftc -warnings-as-errors --explicit-target-dependency-import-check error"
-      linux_6_0_arguments_override: "-Xswiftc -warnings-as-errors --explicit-target-dependency-import-check error"
+      linux_6_0_arguments_override: "--explicit-target-dependency-import-check error"
       linux_nightly_6_0_arguments_override: "--explicit-target-dependency-import-check error"
       linux_nightly_main_arguments_override: "--explicit-target-dependency-import-check error"
 

Benchmarks/Thresholds/6.0/NIOCoreBenchmarks.NIOAsyncChannel.init.p90.json

@@ -0,0 +1,3 @@
+{
+  "mallocCountTotal" : 8000
+}

Benchmarks/Thresholds/6.0/NIOPosixBenchmarks.TCPEcho.p90.json

@@ -0,0 +1,3 @@
+{
+  "mallocCountTotal" : 548
+}

Benchmarks/Thresholds/6.0/NIOPosixBenchmarks.TCPEchoAsyncChannel.p90.json

@@ -0,0 +1,3 @@
+{
+  "mallocCountTotal" : 164376
+}

dev/stackdiff-dtrace.py

@@ -13,18 +13,19 @@
 ##
 ##===----------------------------------------------------------------------===##
 
-import sys
-import re
 import collections
+import re
+import sys
 
 num_regex = "^ +([0-9]+)$"
 
+
 def put_in_dict(path):
     # Our input looks something like:
     #
     # =====
     # This will collect stack shots of allocations and print it when you exit dtrace.
-    # So go ahead, run your tests and then press Ctrl+C in this window to see the aggregated result
+    # So go ahead, run your tests and then press Ctrl+C in this window to see the aggregated result # noqa: E501
     # =====
     # DEBUG: After waiting 1 times, we quiesced to unfreeds=744
     # test_1_reqs_1000_conn.total_allocations: 490000
@@ -39,11 +40,11 @@ def put_in_dict(path):
     #               libswiftCore.dylib`swift_allocObject+0x27
     #               test_1_reqs_1000_conn`closure #3 in SelectableEventLoop.run()+0x166
     #               test_1_reqs_1000_conn`SelectableEventLoop.run()+0x234
-    #               test_1_reqs_1000_conn`closure #1 in static MultiThreadedEventLoopGroup.setupThreadAndEventLoop(name:selectorFactory:initializer:)+0x12e
-    #               test_1_reqs_1000_conn`partial apply for closure #1 in static MultiThreadedEventLoopGroup.setupThreadAndEventLoop(name:selectorFactory:initializer:)+0x25
-    #               test_1_reqs_1000_conn`thunk for @escaping @callee_guaranteed (@guaranteed NIOThread) -> ()+0xf
-    #               test_1_reqs_1000_conn`partial apply for thunk for @escaping @callee_guaranteed (@guaranteed NIOThread) -> ()+0x11
-    #               test_1_reqs_1000_conn`closure #1 in static ThreadOpsPosix.run(handle:args:detachThread:)+0x1c9
+    #               test_1_reqs_1000_conn`closure #1 in static MultiThreadedEventLoopGroup.setupThreadAndEventLoop(name:selectorFactory:initializer:)+0x12e # noqa: E501
+    #               test_1_reqs_1000_conn`partial apply for closure #1 in static MultiThreadedEventLoopGroup.setupThreadAndEventLoop(name:selectorFactory:initializer:)+0x25 # noqa: E501
+    #               test_1_reqs_1000_conn`thunk for @escaping @callee_guaranteed (@guaranteed NIOThread) -> ()+0xf # noqa: E501
+    #               test_1_reqs_1000_conn`partial apply for thunk for @escaping @callee_guaranteed (@guaranteed NIOThread) -> ()+0x11 # noqa: E501
+    #               test_1_reqs_1000_conn`closure #1 in static ThreadOpsPosix.run(handle:args:detachThread:)+0x1c9 # noqa: E501
     #               libsystem_pthread.dylib`_pthread_start+0xe0
     #               libsystem_pthread.dylib`thread_start+0xf
     #             85945
@@ -71,7 +72,7 @@ def put_in_dict(path):
                 key = "\n".join(line.split("+")[0] for line in current_stack[:8])
 
                 # Record this stack and reset our state to build a new one.
-                dictionary[key].append( (int(line), "\n".join(current_stack)) )
+                dictionary[key].append((int(line), "\n".join(current_stack)))
                 current_stack = []
             else:
                 # This line doesn't contain just a number. This might be an
@@ -82,30 +83,35 @@ def put_in_dict(path):
 
     return dictionary
 
+
 def total_count_for_key(d, key):
     value = d[key]
-    return sum(map(lambda x : x[0], value))
+    return sum(map(lambda x: x[0], value))
+
 
 def total_for_dictionary(d):
     total = 0
     for k in d.keys():
         total += total_count_for_key(d, k)
     return total
 
+
 def extract_useful_keys(d):
     keys = set()
     for k in d.keys():
         if total_count_for_key(d, k) >= 1000:
             keys.add(k)
     return keys
 
+
 def print_dictionary_member(d, key):
     print(total_count_for_key(d, key))
     print(key)
     print()
     print_dictionary_member_detail(d, key)
     print()
 
+
 def print_dictionary_member_detail(d, key):
     value = d[key]
     for (count, stack) in value:
@@ -128,6 +134,7 @@ def usage():
     print("  # diff them")
     print("  stackdiff-dtrace.py /tmp/old /tmp/new")
 
+
 if len(sys.argv) != 3:
     usage()
     sys.exit(1)
@@ -173,5 +180,4 @@ def usage():
 
 everything_before = total_for_dictionary(before_dict)
 everything_after = total_for_dictionary(after_dict)
-print("Total of _EVERYTHING_ BEFORE:  %d,  AFTER:  %d,  DIFFERENCE:  %d" %
-    (everything_before, everything_after, everything_after - everything_before))
+print("Total of _EVERYTHING_ BEFORE:  %d,  AFTER:  %d,  DIFFERENCE:  %d" % (everything_before, everything_after, everything_after - everything_before))  # noqa: E501