cleanup, remove flake8

.github/workflows/python-app.yml

@@ -1,7 +1,6 @@
-# This workflow will install Python dependencies, run tests and lint with a single version of Python
-# For more information see: https://help.github.com/actions/language-and-framework-guides/using-python-with-github-actions
+# This workflow installs and tests pyDeltaRCM on mulitple python versions.
 
-name: Python application
+name: test pyDeltaRCM
 
 on:
   push:
@@ -26,14 +25,11 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        pip install flake8 pytest
+        pip install pytest
         pip install -r requirements.txt
-    - name: Lint with flake8
+    - name: Install pyDeltaRCM
       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
+        python setup.py install
     - name: Test with pytest
       run: |
         pytest