make setup.py use all spaces indendation

Author: 1fish2

setup.py

@@ -5,7 +5,7 @@
 import numpy.distutils.misc_util
 
 with open("README.md", 'r') as readme:
-	long_description = readme.read()
+    long_description = readme.read()
 
 current_dir = os.getcwd()
 arrow_dir = os.path.join(current_dir, 'arrow')
@@ -22,38 +22,38 @@
 ext = '.pyx' if USE_CYTHON else '.c'
 
 cython_extensions = [
-	Extension('arrow.arrowhead',
-			  sources=['arrow/mersenne.c', 'arrow/obsidian.c', 'arrow/arrowhead'+ext,],
-			  include_dirs=['arrow'] + numpy.distutils.misc_util.get_numpy_include_dirs(),
-			  define_macros=[('NPY_NO_DEPRECATED_API', 'NPY_1_7_API_VERSION')],
-			  )]
+    Extension('arrow.arrowhead',
+              sources=['arrow/mersenne.c', 'arrow/obsidian.c', 'arrow/arrowhead'+ext,],
+              include_dirs=['arrow'] + numpy.distutils.misc_util.get_numpy_include_dirs(),
+              define_macros=[('NPY_NO_DEPRECATED_API', 'NPY_1_7_API_VERSION')],
+              )]
 
 if USE_CYTHON:
-	from Cython.Build import cythonize
-	cython_extensions = cythonize(
-		cython_extensions,
-		include_path=['arrow'],
-		annotate=True,  # to get an HTML code listing
-	  	)
+    from Cython.Build import cythonize
+    cython_extensions = cythonize(
+        cython_extensions,
+        include_path=['arrow'],
+        annotate=True,  # to get an HTML code listing
+    )
 
 setup(
-	name='stochastic-arrow',
-	version='0.4.4',
-	packages=['arrow'],
-	author='Ryan Spangler, John Mason, Jerry Morrison, Chris Skalnik',
-	author_email='ryan.spangler@gmail.com',
-	url='https://github.com/CovertLab/arrow',
-	license='MIT',
-	include_dirs=include,
-	ext_modules=cython_extensions,
-	long_description=long_description,
-	long_description_content_type='text/markdown',
-	requires=['numpy (>=1.14)', 'six'],
-	classifiers=[
-		'Development Status :: 3 - Alpha',
-		'License :: OSI Approved :: MIT License',
-		'Programming Language :: Python',
-		'Programming Language :: Python :: 2.7',
-		'Programming Language :: Python :: 3',
-		'Topic :: Scientific/Engineering',
-	])
+    name='stochastic-arrow',
+    version='0.4.4',
+    packages=['arrow'],
+    author='Ryan Spangler, John Mason, Jerry Morrison, Chris Skalnik',
+    author_email='ryan.spangler@gmail.com',
+    url='https://github.com/CovertLab/arrow',
+    license='MIT',
+    include_dirs=include,
+    ext_modules=cython_extensions,
+    long_description=long_description,
+    long_description_content_type='text/markdown',
+    requires=['numpy (>=1.14)', 'six'],
+    classifiers=[
+        'Development Status :: 3 - Alpha',
+        'License :: OSI Approved :: MIT License',
+        'Programming Language :: Python',
+        'Programming Language :: Python :: 2.7',
+        'Programming Language :: Python :: 3',
+        'Topic :: Scientific/Engineering',
+    ])