1 files changed, 6 insertions, 7 deletions
diff --git a/lib/spack/spack/spec.py b/lib/spack/spack/spec.py
index 609b20e238..7a69dad881 100644
--- a/lib/spack/spack/spec.py
+++ b/lib/spack/spack/spec.py
@@ -76,30 +76,30 @@ thing.  Spack uses ~variant in directory names and in the canonical form of
 specs to avoid ambiguity.  Both are provided because ~ can cause shell
 expansion when it is the first character in an id typed on the command line.
 """
-import sys
 import collections
 import itertools
 import operator
 import os
 import re
+import sys
 
-import six
 import ruamel.yaml as yaml
+import six
 
 import llnl.util.filesystem as fs
 import llnl.util.lang as lang
-import llnl.util.tty.color as clr
 import llnl.util.tty as tty
+import llnl.util.tty.color as clr
 
-import spack.paths
 import spack.architecture
 import spack.compiler
-import spack.compilers as compilers
+import spack.compilers
 import spack.config
 import spack.dependency as dp
 import spack.error
 import spack.hash_types as ht
 import spack.parse
+import spack.paths
 import spack.provider_index
 import spack.repo
 import spack.solver
@@ -115,7 +115,6 @@ import spack.util.string
 import spack.variant as vt
 import spack.version as vn
 
-
 if sys.version_info >= (3, 3):
     from collections.abc import Mapping  # novm
 else:
@@ -2967,7 +2966,7 @@ class Spec(object):
 
             # validate compiler in addition to the package name.
             if spec.compiler:
-                if not compilers.supported(spec.compiler):
+                if not spack.compilers.supported(spec.compiler):
                     raise UnsupportedCompilerError(spec.compiler.name)
 
             # Ensure correctness of variants (if the spec is not virtual)