[ci] use python3.7.17 matrix to test 2.7

Author: fangq

.github/workflows/run_test.yml

@@ -7,15 +7,15 @@ jobs:
     runs-on: ubuntu-20.04
     strategy:
       matrix:
-        python-version: ["3.1", "3.7", "3.8", "3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.7.17", "3.7", "3.8", "3.9", "3.10", "3.11", "3.12"]
 
     steps:
       - uses: actions/checkout@v3
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v4
         with:
           python-version: ${{ matrix.python-version }}
-      - if: matrix.python-version == '3.0'
+      - if: matrix.python-version == '3.7.17'
         run: sudo ln -sf /usr/bin/python2.7 /usr/bin/python
       - name: Install dependencies
         run: |