MNT: remove dataclasses backport, specify python_requires

ed89a558 · Paul McCarthy · af88e018 · ed89a558 · ed89a558
Commit ed89a558 authored 3 years ago by Paul McCarthy
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,4 +2,3 @@ h5py>=2.9
 nibabel>=2.4
 numpy>=1
 scipy>=0.18
-dataclasses
--- a/setup.py
+++ b/setup.py
@@ -93,6 +93,7 @@ setup(
    author='Paul McCarthy',
    author_email='pauldmccarthy@gmail.com',
    license='Apache License Version 2.0',
+    python_requires='>=3.7',

    classifiers=[
        'Development Status :: 3 - Alpha',