[Python] Fix recently introduced PEP 8 regressions.

After this commit:

$ flake8
$

(No PEP 8 warnings or errors left in the repo.)

Author: practicalswift

benchmark/scripts/Benchmark_DTrace.in

@@ -40,7 +40,7 @@ class DTraceResult(perf_test_driver.Result):
     @classmethod
     def data_format(cls, max_test_len):
         non_name_headers = DTraceResult.data_headers()[1:]
-        fmt = ('{:<%d}' % (max_test_len+5)) + ''.join(['{:<%d}' % (len(h)+2) for h in non_name_headers])
+        fmt = ('{:<%d}' % (max_test_len + 5)) + ''.join(['{:<%d}' % (len(h) + 2) for h in non_name_headers])
         return fmt
 
     @classmethod
@@ -63,7 +63,7 @@ class DTraceBenchmarkDriver(perf_test_driver.BenchmarkDriver):
     def __init__(self, binary, xfail_list, csv_output):
         perf_test_driver.BenchmarkDriver.__init__(self, binary, xfail_list,
                                                  enable_parallel=False,
-                                                 opt_levels = ['O'])
+                                                 opt_levels=['O'])
         self.csv_output = csv_output
 
     def print_data_header(self, max_test_len):
@@ -81,7 +81,7 @@ class DTraceBenchmarkDriver(perf_test_driver.BenchmarkDriver):
             p = subprocess.Popen(['sudo', 'dtrace', '-s', DTRACE_PATH, '-c', '%s %s %s' % (data['path'], data['test_name'], '--num-iters=%d' % iters)],
                                  stdout=subprocess.PIPE, stderr=open('/dev/null', 'w'))
             results = [x for x in p.communicate()[0].split("\n") if len(x) > 0]
-            return [x.split(',')[1] for x in results[results.index('DTRACE RESULTS')+1:]]
+            return [x.split(',')[1] for x in results[results.index('DTRACE RESULTS') + 1:]]
         iter_2_results = get_results_with_iters(2)
         iter_3_results = get_results_with_iters(3)
 

utils/omit-needless-words.py

@@ -117,26 +117,30 @@ def dump_module_api((cmd, extra_dump_args, output_dir, module, quiet)):
     return
 
 def pretty_sdk_name(sdk):
-    if sdk.find("macosx") == 0: return 'OSX'
-    if sdk.find("iphoneos") == 0: return 'iOS'
-    if sdk.find("watchos") == 0: return 'watchOS'
-    if sdk.find("appletvos") == 0: return 'tvOS'
+    if sdk.find("macosx") == 0:
+        return 'OSX'
+    if sdk.find("iphoneos") == 0:
+        return 'iOS'
+    if sdk.find("watchos") == 0:
+        return 'watchOS'
+    if sdk.find("appletvos") == 0:
+        return 'tvOS'
     return 'unknownOS'
 
-# Collect the set of frameworks we should dump 
+# Collect the set of frameworks we should dump
 def collect_frameworks(sdk):
     (exitcode, sdk_path, err) = run_command(["xcrun", "--show-sdk-path", "-sdk", sdk])
     if exitcode != 0:
         print('error: framework collection failed with error %d' % (exitcode))
         return ()
     sdk_path = sdk_path.rstrip()
-    
+
     (exitcode, sdk_version, err) = run_command(["xcrun", "--show-sdk-version", "-sdk", sdk])
     if exitcode != 0:
         print('error: framework collection failed with error %d' % (exitcode))
         return ()
     sdk_version = sdk_version.rstrip()
-    
+
     print('Collecting frameworks from %s %s at %s' % (pretty_sdk_name(sdk), sdk_version, sdk_path))
 
     # Collect all of the framework names
@@ -147,7 +151,7 @@ def collect_frameworks(sdk):
         match = framework_matcher.match(entry)
         if match:
             framework = match.group(1)
-            if not framework in SKIPPED_FRAMEWORKS:
+            if framework not in SKIPPED_FRAMEWORKS:
                 frameworks.add(framework)
 
     return (sorted(list(frameworks)), sdk_path)
@@ -201,7 +205,7 @@ def main():
     # Execute the API dumps
     pool = multiprocessing.Pool(processes=args.jobs)
     pool.map(dump_module_api, jobs)
-    
+
     # Remove the .swift file we fed into swift-ide-test
     subprocess.call(['rm', '-f', source_filename])