diff --git a/glances/exports/export.py b/glances/exports/export.py
index 85ce63c6..080df5d3 100644
--- a/glances/exports/export.py
+++ b/glances/exports/export.py
@@ -266,7 +266,7 @@ class GlancesExport:
         if isinstance(stats, dict):
             # Stats is a dict
             # Is there a key ?
-            if "key" in stats.keys() and stats["key"] in stats.keys():
+            if "key" in stats and stats["key"] in stats:
                 pre_key = "{}.".format(stats[stats["key"]])
             else:
                 pre_key = ""
diff --git a/glances/outputs/glances_curses_browser.py b/glances/outputs/glances_curses_browser.py
index fa111e5f..1ae197cf 100644
--- a/glances/outputs/glances_curses_browser.py
+++ b/glances/outputs/glances_curses_browser.py
@@ -87,7 +87,7 @@ class GlancesCursesBrowser(_GlancesCurses):
             counts[color] = counts.get(color, 0) + 1
 
         result = ''
-        for key in counts.keys():
+        for key in counts:
             result += key + ': ' + str(counts[key]) + ' '
 
         return result
diff --git a/glances/outputs/glances_stdout_csv.py b/glances/outputs/glances_stdout_csv.py
index 6dd162ed..35290a61 100644
--- a/glances/outputs/glances_stdout_csv.py
+++ b/glances/outputs/glances_stdout_csv.py
@@ -55,12 +55,12 @@ class GlancesStdoutCsv:
             line += f'{plugin}.{attribute}{self.separator}'
         else:
             if isinstance(stat, dict):
-                for k in stat.keys():
+                for k in stat:
                     line += f'{plugin}.{str(k)}{self.separator}'
             elif isinstance(stat, list):
                 for i in stat:
                     if isinstance(i, dict) and 'key' in i:
-                        for k in i.keys():
+                        for k in i:
                             line += '{}.{}.{}{}'.format(plugin, str(i[i['key']]), str(k), self.separator)
             else:
                 line += f'{plugin}{self.separator}'
diff --git a/glances/outputs/glances_stdout_issue.py b/glances/outputs/glances_stdout_issue.py
index b6f50edb..6fea63d8 100644
--- a/glances/outputs/glances_stdout_issue.py
+++ b/glances/outputs/glances_stdout_issue.py
@@ -98,7 +98,7 @@ class GlancesStdoutIssue:
                 stat = stats.get_plugin(plugin).get_export()
                 # Hide private information
                 if plugin == 'ip':
-                    for key in stat.keys():
+                    for key in stat:
                         stat[key] = '***'
             except Exception as e:
                 stat_error = e
diff --git a/glances/plugins/sensors/__init__.py b/glances/plugins/sensors/__init__.py
index 17d79bd7..11c945f1 100644
--- a/glances/plugins/sensors/__init__.py
+++ b/glances/plugins/sensors/__init__.py
@@ -156,7 +156,7 @@ class SensorsPlugin(GlancesPluginModel):
         if self.input_method == 'local':
             with ThreadPoolExecutor(max_workers=len(self.sensors_grab_map)) as executor:
                 logger.debug(f"Sensors enabled sub plugins: {list(self.sensors_grab_map.keys())}")
-                futures = {t: executor.submit(self.__get_sensor_data, t) for t in self.sensors_grab_map.keys()}
+                futures = {t: executor.submit(self.__get_sensor_data, t) for t in self.sensors_grab_map}
 
             # Merge the results
             for sensor_type, future in futures.items():
diff --git a/glances/plugins/smart/__init__.py b/glances/plugins/smart/__init__.py
index 19589f42..27c8831d 100644
--- a/glances/plugins/smart/__init__.py
+++ b/glances/plugins/smart/__init__.py
@@ -185,10 +185,10 @@ class SmartPlugin(GlancesPluginModel):
             msg = '{:{width}}'.format(device_stat['DeviceName'][:max_width], width=max_width)
             ret.append(self.curse_add_line(msg))
             try:
-                device_stat_sorted = sorted([i for i in device_stat.keys() if i != 'DeviceName'], key=int)
+                device_stat_sorted = sorted([i for i in device_stat if i != 'DeviceName'], key=int)
             except ValueError:
                 # Catch ValueError, see #2904
-                device_stat_sorted = [i for i in device_stat.keys() if i != 'DeviceName']
+                device_stat_sorted = [i for i in device_stat if i != 'DeviceName']
             for smart_stat in device_stat_sorted:
                 ret.append(self.curse_new_line())
                 msg = ' {:{width}}'.format(
diff --git a/tests/test_core.py b/tests/test_core.py
index 9e103547..4cccaee8 100755
--- a/tests/test_core.py
+++ b/tests/test_core.py
@@ -404,7 +404,7 @@ class TestGlances(unittest.TestCase):
             assert len(stats_grab) == 0
         else:
             print(stats_grab)
-            self.assertTrue(stat in stats_grab[0].keys(), msg=f'Cannot find key: {stat}')
+            self.assertTrue(stat in stats_grab[0], msg=f'Cannot find key: {stat}')
 
         print(f'INFO: SMART stats: {stats_grab}')