fix path for profitbricks list_snapshots() method

[thehunmonkgroup]

Fix path for profitbricks compute driver list_snapshots method

Description

The leading slash breaks the URL in this method. With it, I get:

Traceback (most recent call last):
  File "./profitbricks.py", line 38, in <module>
    snapshots = driver.list_snapshots()
  File "/usr/lib/python2.7/dist-packages/libcloud/compute/drivers/profitbricks.py", line 1176, in list_snapshots
    method='GET'
  File "/usr/lib/python2.7/dist-packages/libcloud/compute/drivers/profitbricks.py", line 143, in request
    raw=raw
  File "/usr/lib/python2.7/dist-packages/libcloud/common/base.py", line 871, in request
    response = responseCls(**kwargs)
  File "/usr/lib/python2.7/dist-packages/libcloud/common/base.py", line 180, in __init__
    headers=self.headers)
libcloud.common.exceptions.BaseHTTPError

Removing the slash makes the method work again, and it's in line with the format of the other API requests in the driver that omit the full URL.

Status

• done, ready for review

Checklist (tick everything that applies)

• Code linting (required, can be done after the PR checks)
• Documentation
• Tests
• ICLA (required for bigger changes)

[pquentin]

Thanks! Do you think you could add a test?

[thehunmonkgroup]

I poked around the testing code, and wasn't really able to understand how y'all have it set up.

I see there is already a test in there for listing snapshots, but I'm guessing it's wrong or already failing, and I don't really understand how to fix it.

I'm sorry, I'm not willing to spend any more time on the learning curve.

[pquentin]

Thank you for your honesty.

[thehunmonkgroup]

sure thing, i hope my current contribution can make it into a fix.

[pquentin]

We're currently lacking reviewers so no PR has been merged for more than a month. Hopefully this situation will change at some point.

[pquentin]

It turns out that it's not easy to add a test here, because the fixture will be the same with and without the slash. I decided to merge this as is in trunk. Thanks!