black: reformat entire repository with black

1 files changed, 36 insertions, 34 deletions

diff --git a/var/spack/repos/builtin/packages/cray-fftw/package.py b/var/spack/repos/builtin/packages/cray-fftw/package.py
index 376f154406..a9cdaa9445 100644
--- a/var/spack/repos/builtin/packages/cray-fftw/package.py
+++ b/var/spack/repos/builtin/packages/cray-fftw/package.py
@@ -8,69 +8,71 @@ from spack.package import *
 
 class CrayFftw(Package):
     """FFTW is a C subroutine library for computing the discrete Fourier
-       transform (DFT) in one or more dimensions, of arbitrary input
-       size, and of both real and complex data (as well as of even/odd
-       data, i.e. the discrete cosine/sine transforms or DCT/DST).
-       This package is a wrapper for Cray's version of FFTW.
+    transform (DFT) in one or more dimensions, of arbitrary input
+    size, and of both real and complex data (as well as of even/odd
+    data, i.e. the discrete cosine/sine transforms or DCT/DST).
+    This package is a wrapper for Cray's version of FFTW.
 
-       To install this package, list it as an external package in packages.yaml,
-       and make sure to load the correct cray-fftw module. In some cases you
-       need to load cray-mpich before cray-fftw.
-       """
+    To install this package, list it as an external package in packages.yaml,
+    and make sure to load the correct cray-fftw module. In some cases you
+    need to load cray-mpich before cray-fftw.
+    """
 
     homepage = "https://support.hpe.com/"
-    has_code = False    # Skip attempts to fetch source that is not available
+    has_code = False  # Skip attempts to fetch source that is not available
 
-    maintainers = ['haampie', 'lukebroskop']
+    maintainers = ["haampie", "lukebroskop"]
 
-    version('3.3.8.12')
-    version('3.3.8.8')
-    version('3.3.8.7')
+    version("3.3.8.12")
+    version("3.3.8.8")
+    version("3.3.8.7")
 
-    provides('fftw-api@3')
+    provides("fftw-api@3")
 
     variant(
-        'precision', values=any_combination_of(
-            'float', 'double'
-        ).prohibit_empty_set().with_default('float,double'),
-        description='Build the selected floating-point precision libraries'
+        "precision",
+        values=any_combination_of("float", "double")
+        .prohibit_empty_set()
+        .with_default("float,double"),
+        description="Build the selected floating-point precision libraries",
     )
 
-    variant('openmp', default=False, description="Enable OpenMP support.")
-    variant('mpi', default=True, description='Activate MPI support')
-    depends_on('mpi', when='+mpi')
+    variant("openmp", default=False, description="Enable OpenMP support.")
+    variant("mpi", default=True, description="Activate MPI support")
+    depends_on("mpi", when="+mpi")
 
     def install(self, spec, prefix):
         raise InstallError(
-            self.spec.format('{name} is not installable, you need to specify '
-                             'it as an external package in packages.yaml'))
+            self.spec.format(
+                "{name} is not installable, you need to specify "
+                "it as an external package in packages.yaml"
+            )
+        )
 
     @property
     def libs(self):
 
         # Reduce repetitions of entries
-        query_parameters = list(llnl.util.lang.dedupe(
-            self.spec.last_query.extra_parameters
-        ))
+        query_parameters = list(llnl.util.lang.dedupe(self.spec.last_query.extra_parameters))
 
         # List of all the suffixes associated with float precisions
         precisions = [
-            ('float', 'f'),
-            ('double', ''),
+            ("float", "f"),
+            ("double", ""),
         ]
 
         # Retrieve the correct suffixes, or use double as a default
-        suffixes = [v for k, v in precisions if k in query_parameters] or ['']
+        suffixes = [v for k, v in precisions if k in query_parameters] or [""]
 
         # Construct the list of libraries that needs to be found
         libraries = []
         for sfx in suffixes:
-            if 'mpi' in query_parameters and '+mpi' in self.spec:
-                libraries.append('libfftw3' + sfx + '_mpi')
+            if "mpi" in query_parameters and "+mpi" in self.spec:
+                libraries.append("libfftw3" + sfx + "_mpi")
 
-            if 'openmp' in query_parameters and '+openmp' in self.spec:
-                libraries.append('libfftw3' + sfx + '_omp')
+            if "openmp" in query_parameters and "+openmp" in self.spec:
+                libraries.append("libfftw3" + sfx + "_omp")
 
-            libraries.append('libfftw3' + sfx)
+            libraries.append("libfftw3" + sfx)
 
         return find_libraries(libraries, root=self.prefix, recursive=True)