Fix for Los Angeles County places scraper

[github-actions]

The script in los-angeles.ipynb has failed.

Here is what went wrong:

An error occurred while executing the following cell:
------------------
try:
    assert not len(df) < 342
except AssertionError:
    raise AssertionError("L.A. County's scraper is missing rows")
------------------

---------------------------------------------------------------------------
AssertionError                            Traceback (most recent call last)
/tmp/ipykernel_2177/2999864733.py in <module>
      1 try:
----> 2     assert not len(df) < 342
      3 except AssertionError:

AssertionError: 

During handling of the above exception, another exception occurred:

AssertionError                            Traceback (most recent call last)
/tmp/ipykernel_2177/2999864733.py in <module>
      2     assert not len(df) < 342
      3 except AssertionError:
----> 4     raise AssertionError("L.A. County's scraper is missing rows")

AssertionError: L.A. County's scraper is missing rows
AssertionError: L.A. County's scraper is missing rows

A branch has been created automatically at fix-los-angeles-1673209203.825798. Please push your fixes there and when it's fixed alert the Slack channel.