Remove unused class import
@@ -25,7 +25,7 @@ from networkx import (draw_networkx_nodes, draw_networkx_edges,
from gnpy.core.network import load_network, build_network, save_network
from gnpy.core.elements import Transceiver, Fiber, RamanFiber, Edfa, Roadm
from gnpy.core.info import create_input_spectral_information, SpectralInformation, Channel, Power, Pref
-from gnpy.core.request import PathRequest, RequestParams, compute_constrained_path, propagate2
+from gnpy.core.request import PathRequest, compute_constrained_path, propagate2
from gnpy.core.exceptions import ConfigurationError, EquipmentConfigError, NetworkTopologyError
from gnpy.core.parameters import SimParams
from gnpy.core.science_utils import Simulation
