flake 8 fixes

var/spack/repos/builtin/packages/suite-sparse/package.py

@@ -44,32 +44,33 @@ class SuiteSparse(Package):
     depends_on('metis@5.1.0', when='@4.5.1')
     depends_on('metis@5.1.0', when='@4.5.3')
     # FIXME:
-    # in @4.5.1. TBB support in SPQR seems to be broken as TBB-related linkng flags
-    # does not seem to be used, which leads to linking errors on Linux.
+    # in @4.5.1. TBB support in SPQR seems to be broken as TBB-related linkng
+    # flags does not seem to be used, which leads to linking errors on Linux.
     # Try re-enabling in future versions.
     # depends_on('tbb', when='+tbb')
 
     def install(self, spec, prefix):
-        # The build system of SuiteSparse is quite old-fashioned
-        # It's basically a plain Makefile which include an header (SuiteSparse_config/SuiteSparse_config.mk)
-        # with a lot of convoluted logic in it.
-        # Any kind of customization will need to go through filtering of that file
+        # The build system of SuiteSparse is quite old-fashioned.
+        # It's basically a plain Makefile which include an header
+        # (SuiteSparse_config/SuiteSparse_config.mk)with a lot of convoluted
+        # logic in it. Any kind of customization will need to go through
+        # filtering of that file
 
         make_args = ['INSTALL=%s' % prefix]
 
         # inject Spack compiler wrappers
         make_args.extend([
-             'AUTOCC=no',
-             'CC=cc',
-             'CXX=c++',
-             'F77=f77',
+            'AUTOCC=no',
+            'CC=cc',
+            'CXX=c++',
+            'F77=f77',
         ])
 
         # use Spack's metis in CHOLMOD/Partition module,
         # otherwise internal Metis will be compiled
         make_args.extend([
-             'MY_METIS_LIB=-L%s -lmetis' % spec['metis'].prefix.lib,
-             'MY_METIS_INC=%s' % spec['metis'].prefix.include,
+            'MY_METIS_LIB=-L%s -lmetis' % spec['metis'].prefix.lib,
+            'MY_METIS_INC=%s' % spec['metis'].prefix.include,
         ])
 
         # Intel TBB in SuiteSparseQR
@@ -80,10 +81,10 @@ def install(self, spec, prefix):
             ])
 
         # BLAS arguments require path to libraries
-        # FIXME : (blas / lapack always provide libblas and liblapack as aliases)
+        # FIXME: (blas/lapack always provide libblas and liblapack as aliases)
         if '@4.5.1' in spec:
-            # adding -lstdc++ is clearly an ugly way to do this, but it follows suit
-            # with the TCOV path of SparseSuite 4.5.1's Suitesparse_config.mk 
+            # adding -lstdc++ is clearly an ugly way to do this, but it follows
+            # with the TCOV path of SparseSuite 4.5.1's Suitesparse_config.mk
             make_args.extend([
                 'BLAS=-lblas -lstdc++',
                 'LAPACK=-llapack'