diff --git a/modules/audio_coding/audio_network_adaptor/parse_ana_dump.py b/modules/audio_coding/audio_network_adaptor/parse_ana_dump.py
index a52b065..1bd5f0c 100755
--- a/modules/audio_coding/audio_network_adaptor/parse_ana_dump.py
+++ b/modules/audio_coding/audio_network_adaptor/parse_ana_dump.py
@@ -66,9 +66,9 @@
     first_time_stamp = None
     while True:
       event = GetNextMessageFromFile(file_to_parse)
-      if event == None:
+      if event is None:
         break
-      if first_time_stamp == None:
+      if first_time_stamp is None:
         first_time_stamp = event.timestamp
       if event.type == debug_dump_pb2.Event.ENCODER_RUNTIME_CONFIG:
         for decision in event.encoder_runtime_config.DESCRIPTOR.fields:
@@ -110,7 +110,7 @@
       action='append')
 
   options = parser.parse_args()[0]
-  if options.dump_file_to_parse == None:
+  if options.dump_file_to_parse is None:
     print "No dump file to parse is set.\n"
     parser.print_help()
     exit()
diff --git a/modules/audio_processing/test/py_quality_assessment/quality_assessment/input_signal_creator.py b/modules/audio_processing/test/py_quality_assessment/quality_assessment/input_signal_creator.py
index 5d97c3b..1feec47 100644
--- a/modules/audio_processing/test/py_quality_assessment/quality_assessment/input_signal_creator.py
+++ b/modules/audio_processing/test/py_quality_assessment/quality_assessment/input_signal_creator.py
@@ -61,7 +61,7 @@
       AudioSegment instance.
     """
     assert 0 < frequency <= 24000
-    assert 0 < duration
+    assert duration > 0
     template = signal_processing.SignalProcessingUtils.GenerateSilence(duration)
     return signal_processing.SignalProcessingUtils.GeneratePureTone(
         template, frequency)
diff --git a/modules/remote_bitrate_estimator/test/plot_dynamics.py b/modules/remote_bitrate_estimator/test/plot_dynamics.py
index 02b2052..e518063 100755
--- a/modules/remote_bitrate_estimator/test/plot_dynamics.py
+++ b/modules/remote_bitrate_estimator/test/plot_dynamics.py
@@ -41,7 +41,7 @@
   # The variable name can contain any non-whitespace character except "#:@"
   match = re.match(r'([^\s#:@]+)(?:#\d)?:(\d+)@(\S+)', annotated_var)
 
-  if match == None:
+  if match is None:
     raise ParsePlotLineException("Could not parse variable name, ssrc and \
                                  algorithm name", annotated_var)
   var_name = match.group(1)
diff --git a/presubmit_test.py b/presubmit_test.py
index 6f14999..d6e5129 100755
--- a/presubmit_test.py
+++ b/presubmit_test.py
@@ -237,7 +237,7 @@
     self.assertTrue('bar.c' in str(errors[0]))
 
   def _AssertNumberOfErrorsWithSources(self, number_of_errors, sources):
-    assert 3 == len(sources), 'This function accepts a list of 3 source files'
+    assert len(sources) == 3, 'This function accepts a list of 3 source files'
     self._GenerateBuildFile(textwrap.dedent("""
       rtc_static_library("bar_foo") {
         sources = [
diff --git a/pylintrc b/pylintrc
index 6d40f78..9809ebe 100644
--- a/pylintrc
+++ b/pylintrc
@@ -20,6 +20,7 @@
   I0010,
   I0011,
   W0232,
+  C0413,
   bad-continuation,
   broad-except,
   duplicate-code,
diff --git a/tools_webrtc/android/build_aar.py b/tools_webrtc/android/build_aar.py
index 18b1eb5..81e545d 100755
--- a/tools_webrtc/android/build_aar.py
+++ b/tools_webrtc/android/build_aar.py
@@ -161,9 +161,9 @@
   gn_args_str = '--args=' + ' '.join([
       k + '=' + _EncodeForGN(v) for k, v in gn_args.items()] + extra_gn_args)
 
-  gn_args = ['gen', output_directory, gn_args_str]
-  gn_args.extend(extra_gn_switches)
-  _RunGN(gn_args)
+  gn_args_list = ['gen', output_directory, gn_args_str]
+  gn_args_list.extend(extra_gn_switches)
+  _RunGN(gn_args_list)
 
   ninja_args = TARGETS[:]
   if use_goma:
diff --git a/tools_webrtc/cpu/cpu_mon.py b/tools_webrtc/cpu/cpu_mon.py
index 9a13723..128a5c0 100644
--- a/tools_webrtc/cpu/cpu_mon.py
+++ b/tools_webrtc/cpu/cpu_mon.py
@@ -61,7 +61,7 @@
   snapshots = []
   while True:
     snapshot = GrabCpuSamples(sample_count)
-    if snapshot == None:
+    if snapshot is None:
       break
     snapshots.append(snapshot)
 
diff --git a/tools_webrtc/libs/generate_licenses_test.py b/tools_webrtc/libs/generate_licenses_test.py
index 9ac541a..c28a226 100755
--- a/tools_webrtc/libs/generate_licenses_test.py
+++ b/tools_webrtc/libs/generate_licenses_test.py
@@ -16,8 +16,8 @@
                       os.path.dirname((__file__)), os.pardir, os.pardir))
 sys.path.append(os.path.join(SRC, 'third_party', 'pymock'))
 
-import mock
 import unittest
+import mock
 
 from generate_licenses import LicenseBuilder
 
diff --git a/video/full_stack_tests_plot.py b/video/full_stack_tests_plot.py
index 3b324da..f50c297 100755
--- a/video/full_stack_tests_plot.py
+++ b/video/full_stack_tests_plot.py
@@ -196,9 +196,9 @@
 
   total = [0.0] * length
   count = [0] * length
-  for k in range(len(values)):
-    if values[k] is not None:
-      total[k % length] += values[k]
+  for k, val in enumerate(values):
+    if val is not None:
+      total[k % length] += val
       count[k % length] += 1
 
   result = [0.0] * length
@@ -386,11 +386,11 @@
   #   argparse.ArgumentParser, modified to remember the order of arguments.
   #   Then we traverse the argument list and fill the PlotConfig.
   args = itertools.groupby(args, lambda x: x in ["-n", "--next"])
-  args = list(list(group) for match, group in args if not match)
+  prep_args = list(list(group) for match, group in args if not match)
 
   parser = GetParser()
   plot_configs = []
-  for index, raw_args in enumerate(args):
+  for index, raw_args in enumerate(prep_args):
     graph_args = parser.parse_args(raw_args).ordered_args
     plot_configs.append(_PlotConfigFromArgs(graph_args, index))
   return plot_configs