flake8 corrections

var/spack/repos/builtin/packages/py-numpy/package.py

@@ -24,6 +24,7 @@
 ##############################################################################
 from spack import *
 
+
 class PyNumpy(Package):
     """NumPy is the fundamental package for scientific computing with Python.
     It contains among other things: a powerful N-dimensional array object,
@@ -38,7 +39,6 @@ class PyNumpy(Package):
     version('1.9.2',  'a1ed53432dbcd256398898d35bc8e645')
     version('1.9.1',  '78842b73560ec378142665e712ae4ad9')
 
-
     variant('blas',   default=True)
     variant('lapack', default=True)
 
@@ -66,4 +66,3 @@ def install(self, spec, prefix):
                 f.write('rpath=%s\n' % ':'.join(library_dirs))
 
         python('setup.py', 'install', '--prefix=%s' % prefix)
-