Update forex_api.py

[Vinnie117]

import the load() function in order to be able to load FX data with Python API. The import of the load() is the same as for the load() of stocks.

Description

• Summary of the change / bug fix.
• Link # issue, if applicable.
• Screenshot of the feature or the bug before/after fix, if applicable.
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How has this been tested?

load() function for FX data works locally

Checklist:

• Update our Hugo documentation following these guidelines.
• Update our tests following these guidelines.
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• If a feature was added make sure to add it to the corresponding scripts file.

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• I have performed a self-review of my own code.
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• New and existing unit tests pass locally with my changes. You can test this locally using pytest tests/....

[DidierRLopes]

Thank you!

We are working on improving a lot OpenBB API to be more easy to use everywhere :)