i3pystatus localtime not working

gistfile1.txt

# Test config 1:
  status.register('clock', format=('%-d %b %H:%M %Z', 'Europe/Bucharest'))  // works
  status.register('clock', format=('%a %-d %b %H:%M')),  // localtime, should be London but still shows EEST (Bucharest time)

{"markup": "none", "color": "#2e9ef4", "full_text": "Sat 16 Jul 14:37", "urgent": false, "name": "i3pystatus.clock.Clock", "instance": "140691471499160"},
{"markup": "none", "full_text": "16 Jul 14:37 EEST", "urgent": false, "name": "i3pystatus.clock.Clock", "instance": "140691471497088"}

# Test config 2:
  status.register('clock', format=('%-d %b %H:%M %Z', 'America/Los_Angeles'))  // works
  status.register('clock', format=('%a %-d %b %H:%M'),  // localtime, should be London but still shows PDT (LA time)
  
{"urgent": false, "name": "i3pystatus.clock.Clock", "instance": "140029821034392", "full_text": "Sat 16 Jul 04:36", "color": "#2e9ef4", "markup": "none"},
{"urgent": false, "name": "i3pystatus.clock.Clock", "instance": "140029821032320", "full_text": "16 Jul 04:36 PDT", "markup": "none"}