only support >= 3.6

.travis.yml

@@ -2,7 +2,6 @@ sudo: false
 language: python
 dist: xenial
 python:
-  - "3.5"
   - "3.6"
   - "3.7"
 install: pip install tox-travis coveralls

pyHS100/cli.py

@@ -6,8 +6,8 @@ from pprint import pformat as pf
 
 import click
 
-if sys.version_info < (3, 5):
-    print("To use this script you need Python 3.5 or newer! got %s" % sys.version_info)
+if sys.version_info < (3, 6):
+    print("To use this script you need Python 3.6 or newer! got %s" % sys.version_info)
     sys.exit(1)
 
 from pyHS100 import SmartPlug  # noqa: E402

pyHS100/smartdevice.py

@@ -118,7 +118,7 @@ class SmartDevice:
         self.cache = defaultdict(lambda: defaultdict(lambda: None))
         self._device_type = DeviceType.Unknown
         self.ioloop = ioloop or asyncio.get_event_loop()
-        self.sync = SyncSmartDevice(self)
+        self.sync = SyncSmartDevice(self, ioloop=self.ioloop)
 
     def _result_from_cache(self, target, cmd) -> Optional[Dict]:
         """Return query result from cache if still fresh.
@@ -606,8 +606,9 @@ class SyncSmartDevice:
     Taken from https://github.com/basnijholt/media_player.kef/
     """
 
-    def __init__(self, async_device):
+    def __init__(self, async_device, ioloop):
         self.async_device = async_device
+        self.ioloop = ioloop
 
     def __getattr__(self, attr):
         method = getattr(self.async_device, attr)
@@ -617,7 +618,7 @@ class SyncSmartDevice:
 
             @functools.wraps(method)
             def wrapped(*args, **kwargs):
-                return asyncio.run(method(*args, **kwargs))
+                return self.ioloop.run_until_complete(method(*args, **kwargs))
 
             return wrapped
         else:

setup.py

@@ -10,7 +10,7 @@ setup(
     license="GPLv3",
     packages=["pyHS100"],
     install_requires=["click", "deprecation"],
-    python_requires=">=3.5",
+    python_requires=">=3.6",
     entry_points={"console_scripts": ["pyhs100=pyHS100.cli:cli",],},
     zip_safe=False,
 )