File "/tmp/.mount_Electryfzd79/usr/lib/python3.6/site-packages/electroncash/util.py", line 870, in run_with_except_hook
    run_original(*args2, **kwargs2)
  File "/tmp/.mount_Electryfzd79/usr/lib/python3.6/site-packages/electroncash/network.py", line 1464, in run
    self.wait_on_sockets()
  File "/tmp/.mount_Electryfzd79/usr/lib/python3.6/site-packages/electroncash/network.py", line 1438, in wait_on_sockets
    self.process_responses(interface)
  File "/tmp/.mount_Electryfzd79/usr/lib/python3.6/site-packages/electroncash/network.py", line 862, in process_responses
    self.process_response(interface, request, response, callbacks)
  File "/tmp/.mount_Electryfzd79/usr/lib/python3.6/site-packages/electroncash/network.py", line 763, in process_response
    self.on_notify_header(interface, result)
  File "/tmp/.mount_Electryfzd79/usr/lib/python3.6/site-packages/electroncash/network.py", line 1505, in on_notify_header
    self._process_latest_tip(interface)
  File "/tmp/.mount_Electryfzd79/usr/lib/python3.6/site-packages/electroncash/network.py", line 1521, in _process_latest_tip
    b = blockchain.can_connect(header) # Is it the next header on a given blockchain.
  File "/tmp/.mount_Electryfzd79/usr/lib/python3.6/site-packages/electroncash/blockchain.py", line 143, in can_connect
    if b.can_connect(header):
  File "/tmp/.mount_Electryfzd79/usr/lib/python3.6/site-packages/electroncash/blockchain.py", line 586, in can_connect
    bits = self.get_bits(header)
  File "/tmp/.mount_Electryfzd79/usr/lib/python3.6/site-packages/electroncash/blockchain.py", line 485, in get_bits
    anchor = self.get_asert_anchor(prior, daa_mtp, chunk)
  File "/tmp/.mount_Electryfzd79/usr/lib/python3.6/site-packages/electroncash/blockchain.py", line 447, in get_asert_anchor
    prev_mtp = self.get_median_time_past(ht - 1, chunk)
  File "/tmp/.mount_Electryfzd79/usr/lib/python3.6/site-packages/electroncash/blockchain.py", line 405, in get_median_time_past
    for h in range(max(0, height - 10), height + 1)
  File "/tmp/.mount_Electryfzd79/usr/lib/python3.6/site-packages/electroncash/blockchain.py", line 405, in <listcomp>
    for h in range(max(0, height - 10), height + 1)