flake8 corr (not finish yet)

pymath/calculus/explicable.py

@@ -33,7 +33,7 @@ class Explicable(Renderable):
         2 + 10 \times 4
         2 + 40
         42
-        
+
         """
         old_s = ''
         # les étapes pour l'atteindre
@@ -88,8 +88,11 @@ class Explicable(Renderable):
         """
         self.steps = steps + self.steps
 
+
 class Explicable_int(int, Explicable):
+
     """ An Explicable_int is an int which can be explain """
+
     isNumber = True
 
     def __init__(self, val):
@@ -107,8 +110,11 @@ class Explicable_int(int, Explicable):
     def __tex__(self):
         return str(self._val)
 
+
 class Explicable_Decimal(Decimal, Explicable):
+
     """ An Explicable_Decimal is an decimal which can be explain """
+
     isNumber = True
 
     def __init__(self, val):
@@ -127,7 +133,6 @@ class Explicable_Decimal(Decimal, Explicable):
         return str(self._val)
 
 
-
 # -----------------------------
 # Reglages pour 'vim'
 # vim:set autoindent expandtab tabstop=4 shiftwidth=4: