Remove object detection from dynamic plot for CI purpose

.github/workflows/ci.yml

@@ -318,7 +318,7 @@ jobs:
           dora start dataflow.yml --name ci-python-test
           sleep 10
           dora stop --name ci-python-test  --grace-duration 5s
-          pip install -r ../examples/python-dataflow/requirements.txt --cache-dir=.
+          pip install opencv-python
           dora start ../examples/python-dataflow/dataflow_dynamic.yml --name ci-python-dynamic
           python ../examples/python-dataflow/plot_dynamic.py
           sleep 5

examples/python-dataflow/dataflow_dynamic.yml

@@ -9,17 +9,8 @@ nodes:
       outputs:
         - image
 
-  - id: object_detection
-    custom:
-      source: ./object_detection.py
-      inputs:
-        image: webcam/image
-      outputs:
-        - bbox
-
   - id: plot
     custom:
       source: dynamic
       inputs:
         image: webcam/image
-        bbox: object_detection/bbox