update dependencies

packages/py-holoviews/package.py

@@ -17,7 +17,7 @@ class PyHoloviews(PythonPackage):
 
     version('1.18.0', sha256='bab72961ab7a18794db269351d905523f2aadcad593b321512927ce93dc9df91')
 
-    depends_on('python@3.9:3.12', type=('build', 'run'))
+    depends_on('python@3.7:3.12', type=('build', 'run'))
     depends_on('py-setuptools', type='build')
     depends_on('py-pyct', type='build')
     depends_on('py-matplotlib', type=('build','run'))

spack.yaml

@@ -29,7 +29,6 @@ spack:
     - py-hbp-neuromorphic-platform@0.11.0
     - py-hbp-validation-client@0.8.2
     - py-hippounit@1.3.6
-    - py-holoviews@1.18.0
     - py-lfpy@2.3
     - py-lfpykit@0.5.1
     - py-libsonata@0.1.23