import yaml
import os

def Keypairs():
    print os.path.dirname(os.path.realpath(__file__))
    with open('keypairs.yaml') as f:
        return yaml.load(f)

from ..settings    import Keypairs
print Keypairs()

IOError: [Errno 2] No such file or directory: 'keypairs.yaml'

pkg/
  __init__.py
  settings/
    __init__.py
    keypairs.yaml
  test/
    __init__.py
    first.py

import yaml
 import os

 def Keypairs():
   print os.path.dirname(os.path.realpath(__file__))

   with open(os.path.join(os.path.dirpath(__file__),'keypairs.yaml')) as f:
     return yaml.load(f)

basepath = os.path.dirname(__file__)
keypairs = os.path.abspath(os.path.join(basepath, "keypairs.yaml"))
with open(keypairs,'r') as f:
    return yaml.load(f)

with open("pkg/settings/keypairs.yaml",'r') as f:

with open(os.path.join(os.path.dirname(__file__),'keypairs.yaml')) as f:
    return yaml.load(f)