install nbconvert and jupyter

.github/workflows/examples_check.yml

@@ -33,7 +33,7 @@ jobs:
       uses: snok/install-poetry@v1
 
     - name: Install dependencies
-      run: make full; pip install openai==0.28.1; pip install jupyter nbconvert; pip install .
+      run: make full; pip install openai==0.28.1 jupyter nbconvert; pip install .
 
     - name: Execute notebooks and check for errors
       run: |