Don't use pipenv

Author: Taaku18

.github/workflows/lints.yml

@@ -20,16 +20,11 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        python -m pip install pipenv
-      continue-on-error: true
-    - name: Configure environment
-      run: |
-        python -c "import sys; print(sys.executable)"
-        pipenv install --python python -d
+        python -m pip install bandit flake8 pylint
       continue-on-error: true
     - name: Bandit syntax check
-      run: pipenv run bandit ./bot.py cogs/*.py core/*.py -b .bandit_baseline.json
+      run: bandit ./bot.py cogs/*.py core/*.py -b .bandit_baseline.json
     - name: Lint with pylint and flake8
       run: |
-        pipenv run python .lint.py
-        pipenv run flake8 ./bot.py cogs/*.py core/*.py --ignore=E501,E203,W503 --exit-zero
+        python .lint.py
+        flake8 ./bot.py cogs/*.py core/*.py --ignore=E501,E203,W503 --exit-zero