Panda error while creating Online test data

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Assessment

Difficulty
3/5
Estimated time
1-2 days
Newbie friendliness
30/100
Issue type
Bug
Clarity
Needs clarification
Activity status
Stale
Tech stack
pandas, python
Domain
machine-learning, testing-qa

Research direction

Start with codegen_sources/test_generation/create_tests.py, especially output_selected_tests_summary at line 189, and reproduce the Transcoder-ST online test-data instructions. Trace why the preceding empty job array leaves a CSV with no columns, then verify the test-data creation flow completes without the reported pandas EmptyDataError.

Written by the indexing model from the issue text.

Description

I am following the instructions for Transcoder-ST. I got this error

########## Creating Tests ##########
Running on the remaining 0 among 1 files
/opt/conda/envs/codeGen_env/lib/python3.6/site-packages/submitit/core/core.py:628: UserWarning: Received an empty job array
warnings.warn("Received an empty job array")
0it [00:00, ?it/s]
Traceback (most recent call last):
File "codegen_sources/test_generation/create_tests.py", line 279, in
output_selected_tests_summary(out_folder)
File "codegen_sources/test_generation/create_tests.py", line 189, in output_selected_tests_summary
csv = pd.read_csv(csv_file)
File "/opt/conda/envs/codeGen_env/lib/python3.6/site-packages/pandas/io/parsers.py", line 688, in read_csv
return _read(filepath_or_buffer, kwds)
File "/opt/conda/envs/codeGen_env/lib/python3.6/site-packages/pandas/io/parsers.py", line 454, in _read
parser = TextFileReader(fp_or_buf, **kwds)
File "/opt/conda/envs/codeGen_env/lib/python3.6/site-packages/pandas/io/parsers.py", line 948, in init
self._make_engine(self.engine)
File "/opt/conda/envs/codeGen_env/lib/python3.6/site-packages/pandas/io/parsers.py", line 1180, in _make_engine
self._engine = CParserWrapper(self.f, **self.options)
File "/opt/conda/envs/codeGen_env/lib/python3.6/site-packages/pandas/io/parsers.py", line 2010, in init
self._reader = parsers.TextReader(src, **kwds)
File "pandas/_libs/parsers.pyx", line 540, in pandas._libs.parsers.TextReader.cinit
pandas.errors.EmptyDataError: No columns to parse from file

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