Fix import for foscam

[sdague]

While waiting for a new pyfoscam release, we can fix this for users
just by changing the import. Foscam devices a pretty widely deployed,
so a regression here is definitely no fun.

Fixes Bug #8940

Description:

Related issue (if applicable): fixes #

Pull request in home-assistant.github.io with documentation (if applicable): home-assistant/home-assistant.github.io#<home-assistant.github.io PR number goes here>

Example entry for configuration.yaml (if applicable):

Checklist:

If user exposed functionality or configuration variables are added/changed:

• Documentation added/updated in home-assistant.github.io

If the code communicates with devices, web services, or third-party tools:

• Local tests with tox run successfully. Your PR cannot be merged unless tests pass
• New dependencies have been added to the REQUIREMENTS variable (example).
• New dependencies are only imported inside functions that use them (example).
• New dependencies have been added to requirements_all.txt by running script/gen_requirements_all.py.
• New files were added to .coveragerc.

If the code does not interact with devices:

• Local tests with tox run successfully. Your PR cannot be merged unless tests pass
• Tests have been added to verify that the new code works.

[mention-bot]

@sdague, thanks for your PR! By analyzing the history of the files in this pull request, we identified @fabaff, @heathbar and @viswa-swami to be potential reviewers.

[balloob]

I thought that this wouldn't work because the init file would get parsed before the submodule?

[roflmao]

0.52.1/docker:

2017-08-28 22:26:19 INFO (MainThread) [homeassistant.components.camera] Setting up camera.foscam
2017-08-28 22:26:19 ERROR (MainThread) [homeassistant.components.camera] Error while setting up platform foscam
Traceback (most recent call last):
  File "/usr/src/app/homeassistant/helpers/entity_component.py", line 164, in _async_setup_platform
    SLOW_SETUP_MAX_WAIT, loop=self.hass.loop)
  File "/usr/local/lib/python3.6/asyncio/tasks.py", line 358, in wait_for
    return fut.result()
  File "/usr/local/lib/python3.6/asyncio/futures.py", line 245, in result
    raise self._exception
  File "/usr/local/lib/python3.6/concurrent/futures/thread.py", line 55, in run
    result = self.fn(*self.args, **self.kwargs)
  File "/usr/src/app/homeassistant/components/camera/foscam.py", line 39, in setup_platform
    add_devices([FoscamCam(config)])
  File "/usr/src/app/homeassistant/components/camera/foscam.py", line 56, in __init__
    from foscam.foscam import FoscamCamera
  File "/usr/local/lib/python3.6/site-packages/foscam/__init__.py", line 1, in <module>
    from foscam import FoscamCamera
ImportError: cannot import name 'FoscamCamera'

[goedgeluk]

In which Docker release will the Focam Cameras work again?
As stated above, in Docker version 0.52.1 it is not fixed...

[maddox]

Still broken in 0.53 for me too.

[balloob]

Fixed in 0.53.1 that went out 10 seconds ago

[maddox]

heyoooooo! great!

[goedgeluk]

Thanx!