diff --git a/mvt/android/modules/adb/dumpsys_accessibility.py b/mvt/android/modules/adb/dumpsys_accessibility.py
index 1e2419e..450d3f9 100644
--- a/mvt/android/modules/adb/dumpsys_accessibility.py
+++ b/mvt/android/modules/adb/dumpsys_accessibility.py
@@ -3,7 +3,6 @@
 # Use of this software is governed by the MVT License 1.1 that can be found at
 #   https://license.mvt.re/1.1/
 
-import io
 import logging
 import os
 
@@ -42,9 +41,8 @@ class DumpsysAccessibility(AndroidExtraction):
             log.info("Found installed accessibility service \"%s\"", service)
 
         if self.output_folder:
-            acc_path = os.path.join(self.output_folder,
-                                      "dumpsys_accessibility.txt")
-            with io.open(acc_path, "w", encoding="utf-8") as handle:
+            acc_path = os.path.join(self.output_folder, "dumpsys_accessibility.txt")
+            with open(acc_path, "w", encoding="utf-8") as handle:
                 handle.write(stats)
 
             log.info("Records from dumpsys accessibility stored at %s",
diff --git a/mvt/android/modules/adb/getprop.py b/mvt/android/modules/adb/getprop.py
index e7dbac2..5ef9367 100644
--- a/mvt/android/modules/adb/getprop.py
+++ b/mvt/android/modules/adb/getprop.py
@@ -4,7 +4,6 @@
 #   https://license.mvt.re/1.1/
 
 import logging
-import os
 import re
 
 from .base import AndroidExtraction
diff --git a/mvt/android/modules/adb/settings.py b/mvt/android/modules/adb/settings.py
index 4c8240f..2c6e327 100644
--- a/mvt/android/modules/adb/settings.py
+++ b/mvt/android/modules/adb/settings.py
@@ -4,8 +4,6 @@
 #   https://license.mvt.re/1.1/
 
 import logging
-import os
-import re
 
 from .base import AndroidExtraction
 
@@ -60,6 +58,7 @@ ANDROID_DANGEROUS_SETTINGS = [
     },
 ]
 
+
 class Settings(AndroidExtraction):
     """This module extracts Android system settings."""
 
diff --git a/mvt/common/indicators.py b/mvt/common/indicators.py
index e283707..a493fdd 100644
--- a/mvt/common/indicators.py
+++ b/mvt/common/indicators.py
@@ -3,7 +3,6 @@
 # Use of this software is governed by the MVT License 1.1 that can be found at
 #   https://license.mvt.re/1.1/
 
-import io
 import json
 import os
 
@@ -436,7 +435,7 @@ def download_indicators_files(log):
         ioc_path = os.path.join(data_dir, clean_file_name)
 
         # Write file to disk. This will overwrite any older version of the STIX2 file.
-        with io.open(ioc_path, "w") as f:
+        with open(ioc_path, "w", encoding="utf-8") as f:
             f.write(res.text)
 
         log.info("Saved indicator file to '%s'", os.path.basename(ioc_path))
diff --git a/mvt/common/module.py b/mvt/common/module.py
index fc13852..32f1994 100644
--- a/mvt/common/module.py
+++ b/mvt/common/module.py
@@ -4,7 +4,6 @@
 #   https://license.mvt.re/1.1/
 
 import csv
-import io
 import os
 import re
 
@@ -91,7 +90,7 @@ class MVTModule(object):
         if self.results:
             results_file_name = f"{name}.json"
             results_json_path = os.path.join(self.output_folder, results_file_name)
-            with io.open(results_json_path, "w", encoding="utf-8") as handle:
+            with open(results_json_path, "w", encoding="utf-8") as handle:
                 try:
                     json.dump(self.results, handle, indent=4, default=str)
                 except Exception as e:
@@ -101,7 +100,7 @@ class MVTModule(object):
         if self.detected:
             detected_file_name = f"{name}_detected.json"
             detected_json_path = os.path.join(self.output_folder, detected_file_name)
-            with io.open(detected_json_path, "w", encoding="utf-8") as handle:
+            with open(detected_json_path, "w", encoding="utf-8") as handle:
                 json.dump(self.detected, handle, indent=4, default=str)
 
     def serialize(self, record):
@@ -192,7 +191,7 @@ def save_timeline(timeline, timeline_path):
     :param timeline_path: Path to the csv file to store the timeline to
 
     """
-    with io.open(timeline_path, "a+", encoding="utf-8") as handle:
+    with open(timeline_path, "a+", encoding="utf-8") as handle:
         csvoutput = csv.writer(handle, delimiter=",", quotechar="\"")
         csvoutput.writerow(["UTC Timestamp", "Plugin", "Event", "Description"])
         for event in sorted(timeline, key=lambda x: x["timestamp"] if x["timestamp"] is not None else ""):
diff --git a/mvt/ios/cli.py b/mvt/ios/cli.py
index 308692d..3b6b277 100644
--- a/mvt/ios/cli.py
+++ b/mvt/ios/cli.py
@@ -184,7 +184,7 @@ def check_backup(ctx, iocs, output, fast, backup_path, list_modules, module):
 
     if len(timeline_detected) > 0:
         log.warning("The analysis of the backup produced %d detections!",
-                len(timeline_detected))
+                    len(timeline_detected))
 
 
 #==============================================================================
@@ -247,6 +247,7 @@ def check_fs(ctx, iocs, output, fast, dump_path, list_modules, module):
         log.warning("The analysis of the filesystem produced %d detections!",
                     len(timeline_detected))
 
+
 #==============================================================================
 # Command: check-iocs
 #==============================================================================
diff --git a/mvt/ios/modules/mixed/tcc.py b/mvt/ios/modules/mixed/tcc.py
index 3dfd8e5..2270769 100644
--- a/mvt/ios/modules/mixed/tcc.py
+++ b/mvt/ios/modules/mixed/tcc.py
@@ -97,7 +97,6 @@ class TCC(IOSExtraction):
                     FROM access;""")
                 db_version = "v1"
 
-
         for row in cur:
             service = row[0]
             client = row[1]
@@ -113,7 +112,7 @@ class TCC(IOSExtraction):
                 if service in ["kTCCServiceMicrophone", "kTCCServiceCamera"]:
                     device = "microphone" if service == "kTCCServiceMicrophone" else "camera"
                     self.log.info("Found client \"%s\" with access %s to %s on %s by %s",
-                                client, auth_value_desc, device, last_modified, auth_reason_desc)
+                                  client, auth_value_desc, device, last_modified, auth_reason_desc)
 
                 self.results.append({
                     "service": service,
@@ -132,7 +131,7 @@ class TCC(IOSExtraction):
                     if service in ["kTCCServiceMicrophone", "kTCCServiceCamera"]:
                         device = "microphone" if service == "kTCCServiceMicrophone" else "camera"
                         self.log.info("Found client \"%s\" with access %s to %s at %s",
-                                    client, allowed_desc, device, last_modified)
+                                      client, allowed_desc, device, last_modified)
                     self.results.append({
                         "service": service,
                         "client": client,
@@ -145,7 +144,7 @@ class TCC(IOSExtraction):
                     if service in ["kTCCServiceMicrophone", "kTCCServiceCamera"]:
                         device = "microphone" if service == "kTCCServiceMicrophone" else "camera"
                         self.log.info("Found client \"%s\" with access %s to %s",
-                                    client, allowed_desc, device)
+                                      client, allowed_desc, device)
                     self.results.append({
                         "service": service,
                         "client": client,
diff --git a/tests/ios/test_safari_browserstate.py b/tests/ios/test_safari_browserstate.py
index a89ca55..4658ee3 100644
--- a/tests/ios/test_safari_browserstate.py
+++ b/tests/ios/test_safari_browserstate.py
@@ -17,7 +17,7 @@ class TestSafariBrowserStateModule:
         m = SafariBrowserState(base_folder=get_backup_folder(), log=logging, results=[])
         m.is_backup = True
         run_module(m)
-        assert m.file_path != None
+        assert m.file_path is not None
         assert len(m.results) == 1
         assert len(m.timeline) == 1
         assert len(m.detected) == 0