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False positive invalid-sequence-index with scipy.fft.rfft #8018

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Albits opened this issue Jan 3, 2023 · 0 comments · May be fixed by #8103
Open

False positive invalid-sequence-index with scipy.fft.rfft #8018

Albits opened this issue Jan 3, 2023 · 0 comments · May be fixed by #8103
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@clavedeluna
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False Positive 🦟 A message is emitted but nothing is wrong with the code Lib specific 💅 This affect the code from a particular library

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@Albits
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Albits commented Jan 3, 2023 •
edited by Pierre-Sassoulas

Bug description

# pylint: disable=missing-module-docstring, missing-function-docstring
# Using scipy.fft.rfft causes the error, removing this line also removes the error
# Seems related to issue #7702

import numpy as np
from scipy.fft import rfft


def some_func():
    arr = np.array([[1, 2, 3], [4, 5, 6]])
    arr_fft = rfft(arr)

    print(arr_fft[:, 0:2])

Command used

pylint false_positive_pylint.py

Pylint output

************* Module false_positive_pylint
false_positive_pylint.py:11:10: E1126: Sequence index is not an int, slice, or instance with __index__ (invalid-sequence-index)

------------------------------------------------------------------
Your code has been rated at 3.75/10 (previous run: 3.75/10, +0.00)

Expected behavior

No error reported

Pylint version

pylint 2.15.9
astroid 2.12.13
Python 3.9.13 (tags/v3.9.13:6de2ca5, May 17 2022, 16:36:42) [MSC v.1929 64 bit (AMD64)]

OS / Environment

Windows 10 using Powershell
@Albits Albits added the Needs triage 📥 Just created, needs acknowledgment, triage, and proper labelling label Jan 3, 2023
@Pierre-Sassoulas Pierre-Sassoulas added the Lib specific 💅 This affect the code from a particular library label Jan 3, 2023
@clavedeluna clavedeluna added False Positive 🦟 A message is emitted but nothing is wrong with the code and removed Needs triage 📥 Just created, needs acknowledgment, triage, and proper labelling labels Jan 23, 2023
@clavedeluna clavedeluna self-assigned this Jan 23, 2023
@clavedeluna clavedeluna linked a pull request Jan 23, 2023 that will close this issue
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False Positive 🦟 A message is emitted but nothing is wrong with the code Lib specific 💅 This affect the code from a particular library
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Fix invalid-sequence-index for call to scipy.fft.rfft clavedeluna/pylint
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@Pierre-Sassoulas @Albits @clavedeluna