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pandarallel_apply crashes with OverflowError: int too big to convert

See original GitHub issue

Hi everyone,

I am getting this error here using parallel_apply in pandas:

  File "extract_specifications.py", line 156, in <module>
    extracted_data = df.parallel_apply(extract_raw_infos, axis=1)
  File "/home/tom/.local/lib/python3.6/site-packages/pandarallel/pandarallel.py", line 367, in closure
    kwargs,
  File "/home/tom/.local/lib/python3.6/site-packages/pandarallel/pandarallel.py", line 239, in get_workers_args
    zip(input_files, output_files, chunk_lengths)
  File "/home/tom/.local/lib/python3.6/site-packages/pandarallel/pandarallel.py", line 238, in <listcomp>
    for index, (input_file, output_file, chunk_length) in enumerate(
  File "/home/tom/.local/lib/python3.6/site-packages/pandarallel/pandarallel.py", line 169, in wrapper
    time=time,
  File "/home/tom/.local/lib/python3.6/site-packages/pandarallel/utils/inliner.py", line 34, in wrapper
    return function(*args, **kwargs)
  File "/home/tom/.local/lib/python3.6/site-packages/pandarallel/utils/inliner.py", line 464, in inline
    func_instructions, len(b"".join(pinned_pre_func_instructions_without_return))
  File "/home/tom/.local/lib/python3.6/site-packages/pandarallel/utils/inliner.py", line 34, in wrapper
    return function(*args, **kwargs)
  File "/home/tom/.local/lib/python3.6/site-packages/pandarallel/utils/inliner.py", line 314, in shift_instructions
    for instruction in instructions
  File "/home/tom/.local/lib/python3.6/site-packages/pandarallel/utils/inliner.py", line 314, in <genexpr>
    for instruction in instructions
  File "/home/tom/.local/lib/python3.6/site-packages/pandarallel/utils/inliner.py", line 34, in wrapper
    return function(*args, **kwargs)
  File "/home/tom/.local/lib/python3.6/site-packages/pandarallel/utils/inliner.py", line 293, in shift_instruction
    return bytes((operation,)) + int2python_bytes(python_ints2int(values) + qty)
  File "/home/tom/.local/lib/python3.6/site-packages/pandarallel/utils/inliner.py", line 34, in wrapper
    return function(*args, **kwargs)
  File "/home/tom/.local/lib/python3.6/site-packages/pandarallel/utils/inliner.py", line 71, in int2python_bytes
    return int.to_bytes(item, nb_bytes, "little")
OverflowError: int too big to convert

I am using

pandarallel == 1.4.2
pandas == 0.24.2
python == 3.6.9

Any idea how to proceed from here? I have basically no idea what could cause this bug. I suspect it might be related to the size of the data I have in one column (I save html from web pages in there). But otherwise no idea. I would help removing this bug(?) if I had some guidance here. Thx for helping.

Issue Analytics

  • State:closed
  • Created 4 years ago
  • Reactions:23
  • Comments:21 (4 by maintainers)

github_iconTop GitHub Comments

17reactions
bensdmcommented, Jan 20, 2020

same here, any way to make it work with progress bar?

16reactions
nbrossecommented, Sep 16, 2020

Same error also. It woud be nice to have the progress bar.

Read more comments on GitHub >

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