Testing Chart error

Author: rbonghi

Diff for: jtop/gui/lib/chart.py

@@ -96,7 +96,7 @@ def __init__(self, jetson, name, callback, type_value=int, line="*", color_text=
         jetson.attach(self.update)
 
     @classmethod
-    def reset_color_counter():
+    def reset_color_counter(cls):
         Chart.COLOR_COUNTER = 0
 
     def __del__(self):

Diff for: jtop/tests/test_05_gui.py

@@ -43,7 +43,7 @@ def test_openGUI(setup_jtop_server):
     # Initialize colors
     curses.start_color()
     # Reset counter charts
-    Chart.reset_color_counter = 0
+    Chart.reset_color_counter()
     # Run jtop
     with jtop() as jetson:
         if jetson.ok():
@@ -52,7 +52,7 @@ def test_openGUI(setup_jtop_server):
             # Start with selected page
             pages.set(0)
     # Reset counter charts
-    Chart.reset_color_counter = 0
+    Chart.reset_color_counter()
     assert True