diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f564d2f..d8b3d57 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -19,7 +19,7 @@ jobs:
     env:
       CXX: ${{ matrix.cxx }}
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Before script
       run: |
         sudo apt-get -yqq update
@@ -34,6 +34,7 @@ jobs:
     - name: Cppcheck
       run: cppcheck --enable=all .
     - name: Clang-Tidy
+      if: ${{ matrix.cxx == 'clang++' }}
       run: clang-tidy -checks='bugprone-*,-bugprone-easily-swappable-parameters,cert-*,clang-analyzer-*,misc-const-correctness,misc-redundant-expression,misc-unused-*,modernize-*,-modernize-use-trailing-return-type,performance-*,portability-*,readability-const-return-type,readability-container-*,readability-duplicate-include,readability-else-after-return,readability-non-const-parameter,readability-redundant-*,readability-simplify-*,readability-string-compare,readability-use-anyofallof' -header-filter='.*' *.cpp -- -Wall -O3 -std=c++17
 
   Pylint:
@@ -41,7 +42,7 @@ jobs:
 
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Install dependencies
       run: |
         python3 -m pip install --upgrade pip
@@ -55,13 +56,13 @@ jobs:
 
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Install dependencies
       run: |
         python3 -m pip install --upgrade pip
         python3 -m pip install ruff
     - name: Script
-      run: ruff --format=github --target-version py37 --select F,E,W,I,D,UP,YTT,S,BLE,B,A,C4,T10,EM,EXE,ISC,ICN,G,PIE,PYI,Q,RSE,RET,SLF,SLOT,SIM,TID,TCH,ARG,PGH,PL,PLC1901,TRY,FLY,PERF,RUF,RUF017 --ignore E101,E501,W191,D211,D213,D401,PLR09,PLR2004,RUF001,RUF002,RUF003 .
+      run: ruff --output-format=github --target-version py37 --select F,E,W,I,D,UP,YTT,S,BLE,B,A,C4,T10,EM,EXE,ISC,ICN,G,PIE,PYI,Q,RSE,RET,SLF,SLOT,SIM,TID,TCH,ARG,PGH,PL,TRY,FLY,PERF,FURB,LOG,RUF --preview --ignore E101,E501,W191,D211,D213,D401,PLR09,PLR2004,RUF001,RUF002,RUF003 .
       continue-on-error: true
 
   Python:
@@ -70,19 +71,19 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11"]
+        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11", "pypy3.7", "pypy3.8", "pypy3.9", "pypy3.10"]
       fail-fast: false
     steps:
-      - uses: actions/checkout@v3
-      - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v4
-        with:
-          python-version: ${{ matrix.python-version }}
-      - name: Install dependencies
-        run: |
-          python -m pip install --upgrade pip
-          python -m pip install wcwidth
-          if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
-      - name: Script
-        run: |
-          python -X dev python/test.py
+    - uses: actions/checkout@v4
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v4
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        python -m pip install wcwidth
+        if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
+    - name: Script
+      run: |
+        python -X dev python/test.py