Fix: Black does its job

mapytex/calculus/core/MO/atoms.py

@@ -26,6 +26,7 @@ def moify(token):
     except MOError:
         return token
 
+
 @coroutine
 def moify_cor(target):
     """ Coroutine which try to convert a parsed token into an MO 

mapytex/calculus/core/MO/mo.py

@@ -101,7 +101,6 @@ class MO(ABC):
         raise NotImplementedError
 
 
-
 class Atom(MO):
 
     """ Base Math Object with only one component.

mapytex/calculus/core/MO/monomial.py

@@ -110,6 +110,7 @@ class MOstrPower(Molecule):
         'monome2'
         """
         return f"monome{self.power}"
+
     def differentiate(self):
         """ differentiate a MOstrPower and get a tree
 
@@ -121,8 +122,10 @@ class MOstrPower(Molecule):
          > x^2
         """
         if self._power > 2:
-            return Tree('*', self.power, MOstrPower(self.variable, self._power._value-1))
-        return Tree('*', self.power, MOstr(self.variable))
+            return Tree(
+                "*", self.power, MOstrPower(self.variable, self._power._value - 1)
+            )
+        return Tree("*", self.power, MOstr(self.variable))
 
 
 class MOMonomial(Molecule):