Incorrect separation of function args and docstring in some situations

[hadisfr]

I'm getting the following result:

for the following code:

def __init__(
        self,
        sbtestloc=path.join(path.dirname(__file__), 'max-biclique'),
        input_addr=None,
        output_addr=None,
        output_size_addr=None,
        store_temps=False
    ):
        """ Specify the location of sbtest file while inititlizing
        the class. """

from here.

I should note that autocompletion for function args in function body works fine, so its detecting args somehow.