error in os.chdir

[Karsten Hilbert]

On Sat, Jun 30, 2018 at 04:05:22AM -0700, Sharan Basappa wrote:

> I need to change directory to my local working directory in windows and then open a file for processing.
> Its just a 3 lines code, as below:
> import csv
> import os
> os.chdir('D:\Projects\Initiatives\machine learning\programs\assertion')
> The error is as follows:
> WindowsError: [Error 123] The filename, directory name, or volume label syntax is incorrect: 'D:\Projects\Initiatives\machine learning\programs\x07ssertion'
> Notice x07 character that has replaced character x07.
> I have a similar code but that goes through fine:
> import csv
> import os
> os.chdir('D:\Projects\Initiatives\machine learning\programs')
> 
> with open('example.csv') as csvfile:
>     readCSV = csv.reader(csvfile, delimiter=',')
> The only difference is directory assertion in the problematic code.
> I have tried single quoting, double quoting etc. for the chdir directive but nothing helps. I have also tried escaping as \assertion but that is not the issue

The quick fix:

put an r in front of the directory string: r'...'

Karsten
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