Fix NLoptOptimizer.__repr__ (#1518)

An incorrect value was used for `local_options`.

pypesto/optimize/optimizer.py

@@ -1169,7 +1169,7 @@ def __repr__(self) -> str:
         if self.options is not None:
             rep += f" options={self.options}"
         if self.local_options is not None:
-            rep += f" local_options={self.local_methods}"
+            rep += f" local_options={self.local_options}"
         return rep + ">"
 
     @minimize_decorator_collection