diff --git a/glances/plugins/quicklook/__init__.py b/glances/plugins/quicklook/__init__.py
index b22c78f5..ba72fac1 100644
--- a/glances/plugins/quicklook/__init__.py
+++ b/glances/plugins/quicklook/__init__.py
@@ -202,21 +202,13 @@ class QuicklookPlugin(GlancesPluginModel):
         ##########################
 
         # System information
-        if (
-            'cpu_hz_current' in self.stats
-            and self.stats['cpu_hz_current'] is not None
-        ):
-            if (
-                'cpu_hz' in self.stats
-                and self.stats['cpu_hz'] is not None
-            ):
+        if 'cpu_hz_current' in self.stats and self.stats['cpu_hz_current'] is not None:
+            if 'cpu_hz' in self.stats and self.stats['cpu_hz'] is not None:
                 msg_freq = ' {:.2f}/{:.2f}GHz'.format(
                     self._hz_to_ghz(self.stats['cpu_hz_current']), self._hz_to_ghz(self.stats['cpu_hz'])
                 )
             else:
-                msg_freq = ' {:.2f}GHz'.format(
-                    self._hz_to_ghz(self.stats['cpu_hz_current'])
-                )
+                msg_freq = ' {:.2f}GHz'.format(self._hz_to_ghz(self.stats['cpu_hz_current']))
         else:
             msg_freq = ''