fixed version call

VERSION

-0.1.0

setup.py

@@ -2,12 +2,10 @@ from os import path as osp
 
 from setuptools import setup, find_packages
 
-filename = osp.join(osp.dirname(__file__), 'VERSION')
-with open(filename, 'r') as f:
-    version = f.read().strip()
-
 import build  # noqa
 
+__version__ = '0.1.0'
+
 install_requires = ['cffi']
 setup_requires = ['pytest-runner', 'cffi']
 tests_require = ['pytest', 'pytest-cov']
@@ -15,7 +13,7 @@ docs_require = ['Sphinx', 'sphinx_rtd_theme']
 
 setup(
     name='torch_scatter',
-    version=version,
+    version=__version__,
     description='PyTorch extension for various scatter methods',
     url='https://github.com/rusty1s/pytorch_scatter',
     author='Matthias Fey',

torch_scatter/__init__.py

-from os import path as osp
-
 from .functions.add import scatter_add_, scatter_add
 from .functions.sub import scatter_sub_, scatter_sub
 from .functions.mul import scatter_mul_, scatter_mul
@@ -8,9 +6,7 @@ from .functions.mean import scatter_mean_, scatter_mean
 from .functions.max import scatter_max_, scatter_max
 from .functions.min import scatter_min_, scatter_min
 
-filename = osp.join(osp.dirname(__file__), '..', 'VERSION')
-with open(filename, 'r') as f:
-    __version__ = f.read().strip()
+__version__ = '0.1.0'
 
 __all__ = [
     'scatter_add_', 'scatter_add', 'scatter_sub_', 'scatter_sub',