change workflow order

.github/workflows/tests.yml

@@ -82,16 +82,16 @@ jobs:
     #     sudo apt-get update
     #     sudo apt-get install libxml2-dev libxslt-dev
 
+    - name: Install dependencies
+      run: python -m pip install -e ".[dev]"
+
     - name: Lint with flake8
       run: |
         # stop the build if there are Python syntax errors or undefined names
         flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
         # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
         flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
 
-    - name: Install dependencies
-      run: python -m pip install -e ".[dev]"
-
     # pycurl installation fix
     - name: Install packages required by pycurl
       if: ${{ matrix.env.MINIMAL == 'false' }}