Troubleshooting pip version issues in CI

.github/workflows/test_qlib_from_source.yml

@@ -38,10 +38,8 @@ jobs:
         python-version: ${{ matrix.python-version }}
 
     - name: Update pip to the latest version
-      # pip release version 23.1 on Apr.15 2023, CI failed to run, Please refer to #1495 ofr detailed logs.
-      # The pip version has been temporarily fixed to 23.0
       run: |
-        python -m pip install pip==23.0
+        python -m pip install --upgrade pip
 
     - name: Installing pytorch for macos
       if: ${{ matrix.os == 'macos-11' || matrix.os == 'macos-latest' }}

.github/workflows/test_qlib_from_source_slow.yml

@@ -38,10 +38,8 @@ jobs:
         python-version: ${{ matrix.python-version }}
 
     - name: Set up Python tools
-      # pip release version 23.1 on Apr.15 2023, CI failed to run, Please refer to #1495 ofr detailed logs.
-      # The pip version has been temporarily fixed to 23.0
       run: |
-        python -m pip install pip==23.0
+        python -m pip install --upgrade pip
         pip install --upgrade cython numpy
         pip install -e .[dev]
 

pyproject.toml

@@ -0,0 +1,2 @@
+[build-system]
+requires = ["setuptools", "numpy", "Cython"]

tests/test_pit.py

@@ -13,7 +13,9 @@
 
 from qlib.data import D
 from qlib.tests.data import GetData
-from scripts.dump_pit import DumpPitData
+
+sys.path.append(str(Path(__file__).resolve().parent.parent.joinpath("scripts")))
+from dump_pit import DumpPitData
 
 sys.path.append(str(Path(__file__).resolve().parent.parent.joinpath("scripts/data_collector/pit")))
 from collector import Run