File "/app/.heroku/python/lib/python2.7/site-packages/pyiso/tasks.py", line 30, in get_load
data = c.get_load(**kwargs)
File "/app/.heroku/python/lib/python2.7/site-packages/pyiso/bpa.py", line 142, in get_load
df.index = self.utcify_index(df.index)
File "/app/.heroku/python/lib/python2.7/site-packages/pyiso/base.py", line 335, in utcify_index
aware_utc_index = aware_local_index.tz_convert('UTC')
File "/app/.heroku/python/lib/python2.7/site-packages/pandas/tseries/index.py", line 1502, in tz_convert
raise TypeError('Cannot convert tz-naive timestamps, use '
TypeError: Cannot convert tz-naive timestamps, use tz_localize to localize
Daylight savings time switchover issue
File "/app/.heroku/python/lib/python2.7/site-packages/pyiso/tasks.py", line 30, in get_load data = c.get_load(**kwargs) File "/app/.heroku/python/lib/python2.7/site-packages/pyiso/bpa.py", line 142, in get_load df.index = self.utcify_index(df.index) File "/app/.heroku/python/lib/python2.7/site-packages/pyiso/base.py", line 335, in utcify_index aware_utc_index = aware_local_index.tz_convert('UTC') File "/app/.heroku/python/lib/python2.7/site-packages/pandas/tseries/index.py", line 1502, in tz_convert raise TypeError('Cannot convert tz-naive timestamps, use ' TypeError: Cannot convert tz-naive timestamps, use tz_localize to localize