diff options
Diffstat (limited to 'lib/spack/spack/spec.py')
| -rw-r--r-- | lib/spack/spack/spec.py | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/lib/spack/spack/spec.py b/lib/spack/spack/spec.py index 670c491713..06767d6c7d 100644 --- a/lib/spack/spack/spec.py +++ b/lib/spack/spack/spec.py @@ -116,6 +116,13 @@ 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: + from collections import Mapping + + __all__ = [ 'Spec', 'parse', @@ -2120,7 +2127,7 @@ class Spec(object): # which likely means the spec was created with Spec.from_detection msg = ('cannot validate "{0}" since it was not created ' 'using Spec.from_detection'.format(self)) - assert isinstance(self.extra_attributes, collections.Mapping), msg + assert isinstance(self.extra_attributes, Mapping), msg # Validate the spec calling a package specific method validate_fn = getattr( |