Failed to build wheel for "my-snap" python3.x

snapcraft
1

Hello,
I recently tried to build a snap with my own python code but it returns the error:

ERROR: Failed to build one or more wheels
Failed to run '/home/guilherme/snappy/calc/parts/calc/install/usr/bin/python3 -m pip wheel --no-index --find-links /home/guilherme/snappy/calc/parts/calc/python-packages --wheel-dir /tmp/tmp2s7wvtue .': Exited with code 1.

this is my snapcraft.yml

name: calc
version: '0.1'
summary: a simple sum
description: >
  A simple program that sum two numbers.

grade: devel
confinement: devmode

apps:
  calc:
    command: bin/calc

parts:
  calc:
    plugin: python
    python-version: python3
    source: /home/guilherme/snappy/calc
2

Does /home/guilherme/snappy/calc contain a proper setup.py?

3

this is no longer the file from the time I created this topic,
however, I wonder if I should add anything else to my setup.py
(I already managed to create the sanp I was trying to create)

from setuptools import setup


package_name = 'calculadora'
filename = package_name + '.py'


setup(
    name=package_name,
    version=1.0,
    author='gui',
    author_email='gui.ironweasel',
    description='curl statistics made simple',
    url='https://git.gitlab.com/gseganzerla/calcmy',
    long_description="test teste teste",
    py_modules=[package_name],
    packages=['libraries'],
    entry_points={
        'console_scripts': [
            'calcmy = calculadora:main'
        ]
    },
    license='License :: OSI Approved :: MIT License',
)
4

If it works, is pip installable, everything else is details and polish, e.g.; filename is assigned and never used in this setup.py.