Home > python > pycodestyle.py:113: FutureWarning: Possible nested set at position 1

pycodestyle.py:113: FutureWarning: Possible nested set at position 1


You get the following error when running flake8

$ flake8 sample.py
/usr/local/lib/python3.7/site-packages/pycodestyle.py:113: FutureWarning: Possible nested set at position 1
EXTRANEOUS_WHITESPACE_REGEX = re.compile(r'[[({] | []}),;:]')
sample.py:7:1: E302 expected 2 blank lines, found 1

# Uninstall flake8

$ pip3 uninstall flake8
Uninstalling flake8-3.5.0:
  Would remove:
Proceed (y/n)? y
  Successfully uninstalled flake8-3.5.0

# Install the working version

$ pip3 install -e git+https://gitlab.com/pycqa/flake8@9631dac5#egg=flake8 --src /usr/local/lib/python3.7/site-packages
Obtaining flake8 from git+https://gitlab.com/pycqa/flake8@9631dac5#egg=flake8
  Cloning https://gitlab.com/pycqa/flake8 (to revision 9631dac5) to /usr/local/lib/python3.7/site-packages/flake8
  Did not find branch or tag '9631dac5', assuming revision or ref.
Collecting pyflakes<2.1.0,>=2.0.0 (from flake8)
  Downloading https://files.pythonhosted.org/packages/44/98/af7a72c9a543b1487d92813c648cb9b9adfbc96faef5455d60f4439aa99b/pyflakes-2.0.0-py2.py3-none-any.whl (53kB)
    100% |████████████████████████████████| 61kB 460kB/s
Collecting pycodestyle<2.5.0,>=2.4.0 (from flake8)
  Using cached https://files.pythonhosted.org/packages/e5/c6/ce130213489969aa58610042dff1d908c25c731c9575af6935c2dfad03aa/pycodestyle-2.4.0-py2.py3-none-any.whl
Requirement already satisfied: mccabe<0.7.0,>=0.6.0 in /usr/local/lib/python3.7/site-packages (from flake8) (0.6.1)
Requirement already satisfied: setuptools>=30 in /usr/local/lib/python3.7/site-packages (from flake8) (40.0.0)
Installing collected packages: pyflakes, pycodestyle, flake8
  Found existing installation: pyflakes 1.6.0
    Uninstalling pyflakes-1.6.0:
      Successfully uninstalled pyflakes-1.6.0
  Found existing installation: pycodestyle 2.3.1
    Uninstalling pycodestyle-2.3.1:
      Successfully uninstalled pycodestyle-2.3.1
  Running setup.py develop for flake8
Successfully installed flake8 pycodestyle-2.4.0 pyflakes-2.0.0


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