methods/__init__.py

from .MSRNet.MSRNet import (
    EffB1_MSRNet,
    EffB4_MSRNet,
    PvtV2B2_MSRNet,
    PvtV2B3_MSRNet,
    PvtV2B4_MSRNet,
    PvtV2B5_MSRNet,
    RN50_MSRNet,
)