Update ollama to use openai api proxy

[mina-parham]

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[dadmobile]

Testing on my machine I got:

"/Users/tony/.transformerlab/workspace/plugins/ollama_server/main.py", line 113, in <module>
2025-07-21 22:05:21 | ERROR | stderr |     model_dir, model_filename = os.path.split(model_path)
2025-07-21 22:05:21 | ERROR | stderr |                                               ^^^^^^^^^^
2025-07-21 22:05:21 | ERROR | stderr | NameError: name 'model_path' is not defined

First problem is that model_path doesn't get set if the os path exists was up in teh code.
Second problem ist hat my args.model_path is a hugging face model ID...but that one migth be my problem.

[dadmobile]

I tried to run a model with a valid model_path and it gave me an error about Ollama not being installed or not running.
This is true...I wasn't runnign ollama yet. I think before it used to start ollama if it wasn't running as a side effect of starting the connection?

[dadmobile]

(Once I dealt with these two errors everythign worked BTW)