[CI] Install packaging before installing package

.github/workflows/lint-black.yaml

@@ -21,6 +21,7 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
+        pip install packaging
         make install-lint
     - name: Run black
       run: |

.github/workflows/lint-darglint.yaml

@@ -21,6 +21,7 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
+        pip install packaging
         make install-lint
     - name: Run darglint
       run: |

.github/workflows/lint-flake8.yaml

@@ -20,6 +20,7 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
+        pip install packaging
         make install-lint
     - name: Run flake8
       run: |

.github/workflows/lint-isort.yaml

@@ -21,6 +21,7 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
+        pip install packaging
         make install-lint
     - name: Run isort
       run: |

.github/workflows/lint-pydocstyle.yaml

@@ -22,6 +22,7 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
+        pip install packaging
         make install-lint
     - name: Run pydocstyle
       run: |

.github/workflows/python-publish.yml

@@ -20,7 +20,7 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          pip install setuptools wheel twine
+          pip install setuptools wheel twine packaging
       - name: Build and publish
         env:
           TWINE_USERNAME: __token__

.github/workflows/test.yaml

@@ -26,6 +26,7 @@ jobs:
     - name: Install Dependencies
       run: |
         python -m pip install --upgrade pip
+        pip install packaging
         make install-test
     - name: Run test
       if: contains('refs/heads/master refs/heads/development', github.ref)

setup.cfg

@@ -42,7 +42,6 @@ install_requires =
     tqdm>=4.61.0,<5.0.0
     einops
     einconv
-    packaging
 # Require a specific Python version, e.g. Python 2.7 or >= 3.4
 python_requires = >=3.8