index=False not working in to_csv on windows
def fix_timestamps(file_path):     df = pd.read_csv(file_path, parse_dates=['dateTime'])     df.to_csv(file_path, date_format='%Y-%m-%d %H:%M:%S',header=True,index=False)


output:

Unnamed: 0,dateTime,ID,open,high,low,close,vol,SplitAdjustment,DivAdjustment,DividendPerShare,SplitFactor
0,2002-05-30 00:00:00,500045,13.5,14.11,12.99,13.03,1663700.0,1.0,1.0,0.0,1.0

I got this version from conda today, python 3, fresh install.
 
this is a bummer I have several thousand files to fix. 