Python modules missing when pod is starting

Import times for custom nodes:
   0.0 seconds: /workspace/ComfyUI/custom_nodes/websocket_image_save.py
   0.0 seconds: /workspace/ComfyUI/custom_nodes/comfyui-tooling-nodes
   0.0 seconds (IMPORT FAILED): /workspace/ComfyUI/custom_nodes/comfy_controlnet_preprocessors
   0.0 seconds (IMPORT FAILED): /workspace/ComfyUI/custom_nodes/comfyui_controlnet_aux
   0.0 seconds: /workspace/ComfyUI/custom_nodes/ComfyUI-Advanced-ControlNet
   0.0 seconds: /workspace/ComfyUI/custom_nodes/ComfyUI-Manager

WARNING: some comfy_extras/ nodes did not import correctly. This may be because they are missing some dependencies.

IMPORT FAILED: nodes_canny.py
IMPORT FAILED: nodes_morphology.py

This issue might be caused by new missing dependencies added the last time you updated ComfyUI.
Please do a: pip install -r requirements.txt

ModuleNotFoundError: No module named 'kornia'
...
ModuleNotFoundError: No module named 'matplotlib'
...
ModuleNotFoundError: No module named 'cv2'

pip install -r requirements.txt