Revert "[TEMP - do not merge] Force PR validation to test Python 3.15 (uv path)"

This reverts commit 92c9223.

Author: atalman

.github/workflows/validate-linux-binaries.yml

@@ -106,9 +106,7 @@ jobs:
       package-type: wheel,libtorch
       os: linux
       channel: ${{ inputs.channel }}
-      # TEMPORARY (revert before merge): use the PR branch so the matrix is
-      # generated by this PR's generate_binary_build_matrix.py (3.15/3.15t).
-      test-infra-ref: add-py315-uv-validation-release-2.13
+      test-infra-ref: release/2.13
       use-only-dl-pytorch-org: ${{ inputs.use-only-dl-pytorch-org }}
       with-xpu: enable
       # Validate torch-only preview python versions (3.15/3.15t) on the test channel.
@@ -125,9 +123,6 @@ jobs:
       runner: ${{ matrix.validation_runner }}
       repository: "pytorch/pytorch"
       ref: release/2.13
-      # TEMPORARY (revert before merge): use the PR branch so validate_binaries.sh
-      # (with the uv-provisioned Python 3.15.0b1 path) comes from this PR.
-      test-infra-ref: add-py315-uv-validation-release-2.13
       job-name: ${{ matrix.build_name }}
       docker-image: ${{ ((matrix.gpu_arch_type == 'xpu' || matrix.gpu_arch_type == 'rocm') && matrix.container_image) || 'pytorch/almalinux-builder:cpu-main' }}
       binary-matrix: ${{ toJSON(matrix) }}

.github/workflows/validate-nightly-binaries.yml

@@ -32,7 +32,4 @@ jobs:
     uses: ./.github/workflows/validate-binaries.yml
     with:
       channel: nightly
-      # TEMPORARY (revert before merge): scope to linux and torch-only to test
-      # the Python 3.15 validation path (no torchvision cp315 wheels yet).
-      os: linux
-      torchonly: true
+      os: all

tools/scripts/generate_binary_build_matrix.py

@@ -22,9 +22,7 @@
 
 
 PYTHON_ARCHES_DICT = {
-    # TEMPORARY (revert before merge): restrict nightly to 3.15/3.15t so this
-    # PR's nightly validation exercises the uv-provisioned 3.15.0b1 path.
-    "nightly": ["3.15", "3.15t"],
+    "nightly": ["3.10", "3.11", "3.12", "3.13", "3.14", "3.14t"],
     "test": ["3.10", "3.11", "3.12", "3.13", "3.14", "3.14t"],
     "release": ["3.10", "3.11", "3.12", "3.13", "3.14", "3.14t"],
 }