In [1]:

    

import pandas as pd
import datetime as dt
from io import StringIO


    

In [2]:

    

x = '''
"day","lon","lat"
1,-85.6274819865272,15.7646163992594
2,-85.5692877454028,15.7641985987015
3,-85.5094791764111,15.7622887663688
4,-85.4483447087322,15.7589891159789
5,-85.3861730691902,15.7544022103013
6,-85.3232532673483,15.7486309909442
'''


    

In [9]:

    

# parser to convert integer yeardays to datetimes in 2015
def parse(day):
    date = dt.datetime(2015,1,1,0,0) + dt.timedelta(days=(int(day)-1))
    return date


    

In [10]:

    

df = pd.read_csv(StringIO(x.strip()),parse_dates=True, date_parser=parse, index_col=0)


    

    





TypeErrorTraceback (most recent call last)
<ipython-input-10-98f98191c49a> in <module>()
----> 1 df = pd.read_csv(StringIO(x.strip()),parse_dates=True, date_parser=parse, index_col=0)

TypeError: initial_value must be unicode or None, not str

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