@@ -10,6 +10,11 @@
 """
 
 __version__ = '0.10.2'  # edit also docs/source/conf.py
+__all__ = ['lineChart', 'pieChart', 'lineWithFocusChart',
+           'StackedAreaChart', 'multiBarHorizontalChart',
+           'linePlusBarChart', 'cumulativeLineChart',
+           'scatterChart', 'discreteBarChart', 'multiBarChart',
+           'linePlusBarWithFocusChart']
 
 
 from .lineChart import lineChart
@@ -23,47 +28,3 @@
 from .discreteBarChart import discreteBarChart
 from .multiBarChart import multiBarChart
 from .linePlusBarWithFocusChart import linePlusBarWithFocusChart
-
-
-class lineChart(lineChart):
-    pass
-
-
-class pieChart(pieChart):
-    pass
-
-
-class lineWithFocusChart(lineWithFocusChart):
-    pass
-
-
-class linePlusBarWithFocusChart(linePlusBarWithFocusChart):
-    pass
-
-
-class stackedAreaChart(stackedAreaChart):
-    pass
-
-
-class multiBarHorizontalChart(multiBarHorizontalChart):
-    pass
-
-
-class linePlusBarChart(linePlusBarChart):
-    pass
-
-
-class cumulativeLineChart(cumulativeLineChart):
-    pass
-
-
-class scatterChart(scatterChart):
-    pass
-
-
-class discreteBarChart(discreteBarChart):
-    pass
-
-
-class multiBarChart(multiBarChart):
-    pass