Add TensorFlow 1.15.1 (#14614)

var/spack/repos/builtin/packages/py-tensorflow/package.py

@@ -20,6 +20,7 @@ class PyTensorflow(Package, CudaPackage):
 
     version('2.1.0',  sha256='638e541a4981f52c69da4a311815f1e7989bf1d67a41d204511966e1daed14f7')
     version('2.0.0',  sha256='49b5f0495cd681cbcb5296a4476853d4aea19a43bdd9f179c928a977308a0617')
+    version('1.15.1', sha256='19b6e72bc8675937f618cede364d7228a71c2eeaffc42801bcefd98dda7ca056')
     version('1.15.0', sha256='a5d49c00a175a61da7431a9b289747d62339be9cf37600330ad63b611f7f5dc9')
     version('1.14.0', sha256='aa2a6a1daafa3af66807cfe0bc77bfe1144a9a53df9a96bab52e3e575b3047ed')
     version('1.13.2', sha256='abe3bf0c47845a628b7df4c57646f41a10ee70f914f1b018a5c761be75e1f1a9')
@@ -235,7 +236,7 @@ class PyTensorflow(Package, CudaPackage):
     # TODO: why is this needed?
     patch('crosstool.patch', when='@0.10.0+cuda')
     # Avoid build error: "no such package '@io_bazel_rules_docker..."
-    patch('io_bazel_rules_docker2.patch', when='@1.15.0,2.0.0')
+    patch('io_bazel_rules_docker2.patch', when='@1.15:2.0')
     # Avoide build error: "name 'new_http_archive' is not defined"
     patch('http_archive.patch', when='@1.12.3')