@ -1071,7 +1071,7 @@ class ElectrumX(SessionBase):
protocol_version: the protocol version spoken by the client
'''
self.bump_cost(0.5)
if self.sv_seen and self.protocol_tuple >= (1, 4):
if self.sv_seen:
raise RPCError(BAD_REQUEST, f'server.version already sent')
self.sv_seen = True