lint

galgebra/atoms.py

@@ -2,7 +2,7 @@
 
 from typing import Union
 
-from sympy import Symbol, AtomicExpr, S, Basic, sympify, MatrixExpr, FunctionMatrix
+from sympy import Symbol, AtomicExpr, S, Basic, sympify, MatrixExpr
 from sympy import Determinant as _Determinant
 from sympy.core import numbers
 from sympy.core.function import AppliedUndef, UndefinedFunction
@@ -146,19 +146,20 @@ def _pretty(self, printer):
         ))
         return prettyForm(*pform.parens())
 
-
 class MatrixFunctionClass(UndefinedFunction):
     """ Like a MatrixSymbol, but for functions. """
     def __new__(mcl, name, shape, **kwargs):
         cls = super().__new__(mcl, name, (AppliedUndef, MatrixExpr), {}, **kwargs)
         m, n = shape
         cls.shape = sympify(m, strict=True), sympify(n, strict=True)
         return cls
-
+
+
 # workaround until pygae/galgebra#495 is truely fixed
 def MatrixFunction(name, m, n):
     return MatrixFunctionClass(name, (m, n))
 
+
 # workaround until sympy/sympy#19354 is merged
 if _Determinant.is_commutative is not True:
     class Determinant(_Determinant):