Add dependency on async_property.

.gitignore

@@ -3,6 +3,7 @@
 
 __pycache__
 *~
+*#*#
 .kdev4
 *.kdev4
 build/

neohubapi/neohub.py

@@ -5,6 +5,7 @@ import asyncio
 import datetime
 import json
 import logging
+from async_property import async_property, async_cached_property
 from types import SimpleNamespace
 
 from neohubapi.enums import ScheduleFormat
@@ -75,6 +76,7 @@ class NeoHub:
         data.ALT_TIMER_FORMAT = schedule_format_int_to_enum(data.ALT_TIMER_FORMAT)
         return data
 
+    @async_cached_property
     async def target_temperature_step(self):
         """
         Returns Neohub's target temperature step

setup.py

@@ -21,10 +21,12 @@ setuptools.setup(
         "License :: OSI Approved :: GNU Lesser General Public License v3 or later (LGPLv3+)",
         "Operating System :: OS Independent",
     ],
+    install_requires=[
+        'async_property',
+    ],
     long_description=long_description,
     long_description_content_type='text/markdown',
     packages=setuptools.find_packages(),
-    install_requires = ['neohubapi'],
     keywords=['neohub', 'heatmiser'],
     zip_safe=True,
 )