Fixed Workflow for PyLint, changing path for files

Author: AnthonyMalRivett

.github/workflows/backend-lint.yml

@@ -15,6 +15,9 @@ jobs:
         with:
           python-version: "3.11"
 
+      - name: Set PYTHONPATH
+        run: echo "PYTHONPATH=$(pwd)/backend" >> $GITHUB_ENV
+
       - name: Install dependencies
         working-directory: backend
         run: |
@@ -39,6 +42,9 @@ jobs:
         with:
           python-version: "3.11"
 
+      - name: Set PYTHONPATH
+        run: echo "PYTHONPATH=$(pwd)/backend" >> $GITHUB_ENV
+
       - name: Install MyPy and dependencies
         working-directory: backend
         run: |