Update ci

.github/workflows/codeql.yml

@@ -32,7 +32,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        language: ["cpp", "python"]
+        language: ["python"]
         # CodeQL supports [ 'cpp', 'csharp', 'go', 'java', 'javascript', 'python', 'ruby' ]
         # Learn more about CodeQL language support at https://aka.ms/codeql-docs/language-support
 

.github/workflows/main.yml

@@ -24,7 +24,7 @@ jobs:
       - name: Install dependencies
         run: |
           pip install -q --upgrade pip
-          pip install -q scikit-learn
+          pip install -q scikit-learn cython
           pip install -q --upgrade codecov coverage black flake8 codacy-coverage
       - name: Build and install
         run: |