Traceback (most recent call last):

 "manage.py", line 10, in <module>
execute_from_command_line(sys.argv)

 "/home/vagrant/env/local/lib/python2.7/site-packages/django/core/management/**init**.py", line 399, in execute_from_command_line
utility.execute()

 "/home/vagrant/env/local/lib/python2.7/site-packages/django/core/management/**init**.py", line 392, in execute
self.fetch_command(subcommand).run_from_argv(self.argv)

 "/home/vagrant/env/local/lib/python2.7/site-packages/django/core/management/base.py", line 242, in run_from_argv
self.execute(_args, *_options.**dict**)

 "/home/vagrant/env/local/lib/python2.7/site-packages/django/core/management/base.py", line 285, in execute
output = self.handle(_args, *_options)

 "/home/vagrant/env/local/lib/python2.7/site-packages/cities/management/commands/cities.py", line 68, in handle
func()

 "/home/vagrant/env/local/lib/python2.7/site-packages/cities/management/commands/cities.py", line 179, in import_country
country.area = int(float(item['area'])) if item['area'] else NoneValueError: could not convert string to float: T
Traceback (most recent call last):


 "build/bdist.linux-x86_64/egg/pyocd/gdbserver/gdbserver.py", line 545, in handle_message

reply = handler(msg[msgStart:])


 "build/bdist.linux-x86_64/egg/pyocd/gdbserver/gdbserver.py", line 903, in get_memory

mem = self.target_context.read_memory_block8(addr, length)


 "build/bdist.linux-x86_64/egg/pyocd/debug/cache.py", line 523, in read_memory_block8

return self._memcache.read_memory_block8(addr, size)


 "build/bdist.linux-x86_64/egg/pyocd/debug/cache.py", line 445, in read_memory_block8

combined = self._read(addr, size)


 "build/bdist.linux-x86_64/egg/pyocd/debug/cache.py", line 323, in _read

cached, uncached = self._get_ranges(addr, size)


 "build/bdist.linux-x86_64/egg/pyocd/debug/cache.py", line 259, in _get_ranges

cached = self._cache.overlap(addr, addr + count)
AttributeError: 'IntervalTree' object has no attribute 'overlap'
