What is OSError: [Errno 95] Operation not supported for pandas to_csv on colab? - pandas

Question

My input is:
test=pd.read_csv("/gdrive/My Drive/data-kaggle/sample_submission.csv")
test.head()
It ran as expected.
But, for
test.to_csv('submitV1.csv', header=False)
The full error message that I got was:
OSError Traceback (most recent call last)
<ipython-input-5-fde243a009c0> in <module>()
9 from google.colab import files
10 print(test)'''
---> 11 test.to_csv('submitV1.csv', header=False)
12 files.download('/gdrive/My Drive/data-
kaggle/submission/submitV1.csv')
2 frames
/usr/local/lib/python3.6/dist-packages/pandas/core/generic.py in
to_csv(self, path_or_buf, sep, na_rep, float_format, columns,
header, index, index_label, mode, encoding, compression, quoting,
quotechar, line_terminator, chunksize, tupleize_cols, date_format,
doublequote, escapechar, decimal)
3018 doublequote=doublequote,
3019 escapechar=escapechar,
decimal=decimal)
-> 3020 formatter.save()
3021
3022 if path_or_buf is None:
/usr/local/lib/python3.6/dist-packages/pandas/io/formats/csvs.pyi
in save(self)
155 f, handles = _get_handle(self.path_or_buf,
self.mode,
156 encoding=self.encoding,
--> 157
compression=self.compression)
158 close = True
159
/usr/local/lib/python3.6/dist-packages/pandas/io/common.py in
_get_handle(path_or_buf, mode, encoding, compression, memory_map,
is_text)
422 elif encoding:
423 # Python 3 and encoding
--> 424 f = open(path_or_buf, mode,encoding=encoding,
newline="")
425 elif is_text:
426 # Python 3 and no explicit encoding
OSError: [Errno 95] Operation not supported: 'submitV1.csv'
Additional Information about the error:
Before running this command, if I run
df=pd.DataFrame()
df.to_csv("file.csv")
files.download("file.csv")
It is running properly, but the same code is producing the operation not supported error if I try to run it after trying to convert test data frame to a csv file.
I am also getting a message A Google Drive timeout has occurred (most recently at 13:02:43). More info. just before running the command.

Answer 1

You are currently in the directory in which you don't have write permissions.
Check your current directory with pwd. It might be gdrive of some directory inside it, that's why you are unable to save there.
Now change the current working directory to some other directory where you have permissions to write. cd ~ will work fine. It wil chage the directoy to /root.
Now you can use:
test.to_csv('submitV1.csv', header=False)
It will save 'submitV1.csv' to /root