# HG changeset patch
# User Dennis Fink
# Date 2015-07-08 22:23:39
# Node ID 9f1ca2d335b58ba60dfa75e0c2bdbebc10cddfb9
# Parent  c447e51fad04e9301b2ae0c3e25047381c0b8d8a

use frozenset instead of tuples in sensors.py

diff --git a/spaceapi/sensors.py b/spaceapi/sensors.py
--- a/spaceapi/sensors.py
+++ b/spaceapi/sensors.py
@@ -18,9 +18,9 @@ ALLOWED_SENSORS_KEYS = json.load(
          encoding='utf-8')
 )
 
-RADIATON_SUBKEYS = ('alpha', 'beta', 'gamma', 'beta_gamma')
+RADIATON_SUBKEYS = frozenset(('alpha', 'beta', 'gamma', 'beta_gamma'))
 
-get_identifacation_key = partial(first, keys=('name', 'location'))
+get_identification_key = partial(first, keys=frozenset(('name', 'location')))
 
 
 def set_value(data, key):