Fix lint

Author: JukkaL

mypy/binder.py

@@ -230,8 +230,8 @@ def assign_type(self, expr: Expression,
                 and not restrict_any):
             pass
         elif (isinstance(type, AnyType)
-               and (not isinstance(declared_type, UnionType)
-                    or not any(isinstance(item, NoneTyp) for item in declared_type.items))):
+              and (not isinstance(declared_type, UnionType)
+                   or not any(isinstance(item, NoneTyp) for item in declared_type.items))):
             # Assigning an Any value doesn't affect the type to avoid false negatives, unless
             # there is an Any item in a declared union type.
             self.put(expr, declared_type)