Fix linter

src/pystencils/typing/typed_sympy.py

@@ -194,4 +194,4 @@ class CFunction(TypedSymbol):
         return self.name, self.dtype
 
     def __getnewargs_ex__(self):
-        return (self.name, self.dtype), {}
\ No newline at end of file
+        return (self.name, self.dtype), {}