fixed a bug related to passing on the ctrl_method keyword through custom_control

Author: positr0nium

src/qrisp/environments/custom_control_environment.py

@@ -167,7 +167,7 @@ def adaptive_control_function(*args, **kwargs):
 
         # Check whether the function supports the ctrl_method kwarg and adjust
         # the kwargs accordingly
-        if "ctrl_method" in list(inspect.getargspec(func))[0]:
+        if "ctrl_method" in list(inspect.getargspec(func))[0] and isinstance(env, ControlEnvironment):
             kwargs.update({"ctrl_method" : env.ctrl_method})