1 files changed, 11 insertions, 20 deletions
diff --git a/glances/exports/glances_history.py b/glances/exports/glances_history.py
index 674bdb5c..6caaf353 100644
--- a/glances/exports/glances_history.py
+++ b/glances/exports/glances_history.py
@@ -39,23 +39,21 @@ else:
 
 class GlancesHistory(object):
 
-    """This class define the object to manage stats history"""
+    """This class define the object to manage stats history."""
 
     def __init__(self, output_folder):
         self.output_folder = output_folder
 
     def get_output_folder(self):
-        """Return the output folder where the graph are generated"""
+        """Return the output folder where the graph are generated."""
         return self.output_folder
 
     def graph_enabled(self):
-        """Return True if Glances can generaate history graphs"""
+        """Return True if Glances can generate history graphs."""
         return matplotlib_check
 
     def reset(self, stats):
-        """
-        Reset all the history
-        """
+        """Reset all the history."""
         if not self.graph_enabled():
             return False
         for p in stats.getAllPlugins():
@@ -65,9 +63,7 @@ class GlancesHistory(object):
         return True
 
     def get_graph_color(self, item):
-        """
-        Get the item's color
-        """
+        """Get the item's color."""
         try:
             ret = item['color']
         except KeyError:
@@ -76,15 +72,11 @@ class GlancesHistory(object):
             return ret
 
     def get_graph_legend(self, item):
-        """
-        Get the item's legend
-        """
+        """Get the item's legend."""
         return item['name']
 
     def get_graph_yunit(self, item, pre_label=''):
-        """
-        Get the item's Y unit
-        """
+        """Get the item's Y unit."""
         try:
             unit = " (%s)" % item['y_unit']
         except KeyError:
@@ -96,9 +88,9 @@ class GlancesHistory(object):
         return "%s%s" % (label, unit)
 
     def generate_graph(self, stats):
-        """
-        Generate graphs from plugins history
-        Return the number of output files generated by the function
+        """Generate graphs from plugins history.
+
+        Return the number of output files generated by the function.
         """
         if not self.graph_enabled():
             return 0
@@ -176,8 +168,7 @@ class GlancesHistory(object):
                 fig.set_size_inches(20, 10)
                 plt.legend(handles, labels, loc=1, prop={'size': 9})
                 plt.xlabel('Date')
-                plt.savefig(
-                    os.path.join(self.output_folder, 'glances_%s.png' % (p)), dpi=72)
+                plt.savefig(os.path.join(self.output_folder, 'glances_%s.png' % p), dpi=72)
                 index_all += 1
 
             plt.close()