feature add

Author: kawaho2

.github/workflows/ci.yml

@@ -33,7 +33,7 @@ jobs:
         run: |
           pip install -r requirements.txt
           pip install -r docs/requirements.txt
-      
+
       - name: Install lcov
         run: |
           sudo apt-get update
@@ -42,15 +42,15 @@ jobs:
       - name: Build package
         run: |
           CXXFLAGS=--coverage CFLAGS=--coverage python scripts/build/install.py
-# coverage tests     
+# coverage tests
       - name: Run tests
         run: |
           python -m pytest --doctest-modules --cov=./ --cov-report=xml -s
 
       - name: Capture Coverage Data with lcov
         run: |
           lcov --capture --directory . --output-file coverage.info --no-external
-  
+
       - name: Generate HTML Coverage Report with genhtml
         run: |
           genhtml coverage.info --output-directory coverage_report
@@ -177,7 +177,6 @@ jobs:
           update-conda: true
           python-version: ${{ matrix.python-version }}
           conda-channels: anaconda, conda-forge
-      - run: conda --version
       - run: which python
 
       - name: Upgrade pip version