Remove tuple method parameters

They can be found through autopep8 (W690) or python-modernize.
Variables manually renamed.

This is because Python 3 does not support tuple unpacking:
http://legacy.python.org/dev/peps/pep-3113/

modules/boursorama/pages/login.py

@@ -41,7 +41,8 @@ class VirtKeyboard(MappedVirtKeyboard):
 
     color=(0,0,0)
 
-    def check_color(self, (r, g, b)):
+    def check_color(self, color):
+        r, g, b = color
         return r > 240 and g > 240 and b > 240
 
     def __init__(self, page):
@@ -61,7 +62,8 @@ class VirtKeyboard(MappedVirtKeyboard):
             code += self.get_symbol_code(self.symbols[c])
         return code
 
-    def checksum(self, (x1, y1, x2, y2)):
+    def checksum(self, coords):
+        x1, y1, x2, y2 = coords
         s = ''
         for y in range(y1, min(y2 + 1, self.height)):
             for x in range(x1, min(x2 + 1, self.width)):