<NME> setup.py
<BEF> from setuptools import setup

version = '1.4.2'

with open('README.md', 'r') as fh:
    long_description = fh.read()

setup(
    name='arxiv',
    version=version,
    packages=['arxiv'],
    # dependencies
    install_requires=['feedparser'],
    install_requires=[
        'feedparser',
        'requests',
        'pytest-runner',
    ],
    tests_require=[
        "pytest",
    ],
    # metadata for upload to PyPI
    author="Lukas Schwab",
    long_description_content_type='text/markdown',
    license='MIT',
    keywords='arxiv api wrapper academic journals papers',
    url='https://github.com/lukasschwab/arxiv.py',
    classifiers=[
        'Programming Language :: Python',
        'License :: OSI Approved :: MIT License',
        'Operating System :: OS Independent',
    ],
)

<MSG> Remove pytest-runner from install requirements, add numpy as test requirement

<DFF> @@ -14,10 +14,10 @@ setup(
     install_requires=[
         'feedparser',
         'requests',
-        'pytest-runner',
     ],
     tests_require=[
         "pytest",
+	"numpy",
     ],
     # metadata for upload to PyPI
     author="Lukas Schwab",

Remove pytest-runner from install requirements, add numpy as test requirement