diff --git a/homeassistant/components/binary_sensor/deconz.py b/homeassistant/components/binary_sensor/deconz.py
index 8fea7891c3d..28e78db90ec 100644
--- a/homeassistant/components/binary_sensor/deconz.py
+++ b/homeassistant/components/binary_sensor/deconz.py
@@ -99,6 +99,6 @@ class DeconzBinarySensor(BinarySensorDevice):
         attr = {
             ATTR_BATTERY_LEVEL: self._sensor.battery,
         }
-        if self._sensor.type == PRESENCE:
+        if self._sensor.type in PRESENCE:
             attr['dark'] = self._sensor.dark
         return attr
diff --git a/homeassistant/components/coinbase.py b/homeassistant/components/coinbase.py
index 10123752c99..515da3e4f54 100644
--- a/homeassistant/components/coinbase.py
+++ b/homeassistant/components/coinbase.py
@@ -14,7 +14,9 @@ import homeassistant.helpers.config_validation as cv
 from homeassistant.helpers.discovery import load_platform
 from homeassistant.util import Throttle
 
-REQUIREMENTS = ['coinbase==2.0.7']
+REQUIREMENTS = [
+    'https://github.com/balloob/coinbase-python/archive/'
+    '3a35efe13ef728a1cc18204b4f25be1fcb1c6006.zip#coinbase==2.0.8a1']
 
 _LOGGER = logging.getLogger(__name__)
 
diff --git a/homeassistant/components/deconz/__init__.py b/homeassistant/components/deconz/__init__.py
index 693f3e4470a..18197b84b61 100644
--- a/homeassistant/components/deconz/__init__.py
+++ b/homeassistant/components/deconz/__init__.py
@@ -13,6 +13,7 @@ import voluptuous as vol
 from homeassistant.components.discovery import SERVICE_DECONZ
 from homeassistant.const import (
     CONF_API_KEY, CONF_HOST, CONF_PORT, EVENT_HOMEASSISTANT_STOP)
+from homeassistant.core import callback
 from homeassistant.helpers import config_validation as cv
 from homeassistant.helpers import discovery
 from homeassistant.helpers.aiohttp_client import async_get_clientsession
@@ -143,7 +144,18 @@ def async_setup_deconz(hass, config, deconz_config):
     hass.services.async_register(
         DOMAIN, 'configure', async_configure, schema=SERVICE_SCHEMA)
 
-    hass.bus.async_listen_once(EVENT_HOMEASSISTANT_STOP, deconz.close)
+    @callback
+    def deconz_shutdown(event):
+        """
+        Wrap the call to deconz.close.
+
+        Used as an argument to EventBus.async_listen_once - EventBus calls
+        this method with the event as the first argument, which should not
+        be passed on to deconz.close.
+        """
+        deconz.close()
+
+    hass.bus.async_listen_once(EVENT_HOMEASSISTANT_STOP, deconz_shutdown)
     return True
 
 
diff --git a/homeassistant/components/frontend/__init__.py b/homeassistant/components/frontend/__init__.py
index 2a9a7a8a38a..3863a4d390b 100644
--- a/homeassistant/components/frontend/__init__.py
+++ b/homeassistant/components/frontend/__init__.py
@@ -23,7 +23,7 @@ from homeassistant.const import CONF_NAME, EVENT_THEMES_UPDATED
 from homeassistant.core import callback
 from homeassistant.loader import bind_hass
 
-REQUIREMENTS = ['home-assistant-frontend==20180221.1', 'user-agents==1.1.0']
+REQUIREMENTS = ['home-assistant-frontend==20180227.0', 'user-agents==1.1.0']
 
 DOMAIN = 'frontend'
 DEPENDENCIES = ['api', 'websocket_api', 'http', 'system_log']
diff --git a/homeassistant/components/light/iglo.py b/homeassistant/components/light/iglo.py
index e39b5dbf540..1e110b5c397 100644
--- a/homeassistant/components/light/iglo.py
+++ b/homeassistant/components/light/iglo.py
@@ -17,7 +17,7 @@ from homeassistant.const import CONF_HOST, CONF_NAME, CONF_PORT
 import homeassistant.helpers.config_validation as cv
 import homeassistant.util.color as color_util
 
-REQUIREMENTS = ['iglo==1.2.5']
+REQUIREMENTS = ['iglo==1.2.6']
 
 _LOGGER = logging.getLogger(__name__)
 
@@ -56,13 +56,13 @@ class IGloLamp(Light):
     @property
     def brightness(self):
         """Return the brightness of this light between 0..255."""
-        return int((self._lamp.state['brightness'] / 200.0) * 255)
+        return int((self._lamp.state()['brightness'] / 200.0) * 255)
 
     @property
     def color_temp(self):
         """Return the color temperature."""
         return color_util.color_temperature_kelvin_to_mired(
-            self._lamp.state['white'])
+            self._lamp.state()['white'])
 
     @property
     def min_mireds(self):
@@ -79,12 +79,12 @@ class IGloLamp(Light):
     @property
     def rgb_color(self):
         """Return the RGB value."""
-        return self._lamp.state['rgb']
+        return self._lamp.state()['rgb']
 
     @property
     def effect(self):
         """Return the current effect."""
-        return self._lamp.state['effect']
+        return self._lamp.state()['effect']
 
     @property
     def effect_list(self):
@@ -100,7 +100,7 @@ class IGloLamp(Light):
     @property
     def is_on(self):
         """Return true if light is on."""
-        return self._lamp.state['on']
+        return self._lamp.state()['on']
 
     def turn_on(self, **kwargs):
         """Turn the light on."""
diff --git a/homeassistant/components/media_player/cast.py b/homeassistant/components/media_player/cast.py
index 40e09ea328c..d3cf2f7b501 100644
--- a/homeassistant/components/media_player/cast.py
+++ b/homeassistant/components/media_player/cast.py
@@ -8,9 +8,11 @@ https://home-assistant.io/components/media_player.cast/
 import asyncio
 import logging
 import threading
+import functools
 
 import voluptuous as vol
 
+from homeassistant.exceptions import PlatformNotReady
 from homeassistant.helpers.typing import HomeAssistantType, ConfigType
 from homeassistant.core import callback
 from homeassistant.helpers.dispatcher import (dispatcher_send,
@@ -34,6 +36,7 @@ CONF_IGNORE_CEC = 'ignore_cec'
 CAST_SPLASH = 'https://home-assistant.io/images/cast/splash.png'
 
 DEFAULT_PORT = 8009
+SOCKET_CLIENT_RETRIES = 10
 
 SUPPORT_CAST = SUPPORT_PAUSE | SUPPORT_VOLUME_SET | SUPPORT_VOLUME_MUTE | \
     SUPPORT_TURN_ON | SUPPORT_TURN_OFF | SUPPORT_PREVIOUS_TRACK | \
@@ -76,7 +79,7 @@ def _setup_internal_discovery(hass: HomeAssistantType) -> None:
         try:
             # pylint: disable=protected-access
             chromecast = pychromecast._get_chromecast_from_host(
-                mdns, blocking=True)
+                mdns, blocking=True, tries=SOCKET_CLIENT_RETRIES)
         except pychromecast.ChromecastConnectionError:
             _LOGGER.debug("Can't set up cast with mDNS info %s. "
                           "Assuming it's not a Chromecast", mdns)
@@ -182,11 +185,13 @@ def async_setup_platform(hass: HomeAssistantType, config: ConfigType,
     else:
         # Manually add a "normal" Chromecast, we can do that without discovery.
         try:
-            chromecast = yield from hass.async_add_job(
-                pychromecast.Chromecast, *want_host)
-        except pychromecast.ChromecastConnectionError:
-            _LOGGER.warning("Can't set up chromecast on %s", want_host[0])
-            raise
+            func = functools.partial(pychromecast.Chromecast, *want_host,
+                                     tries=SOCKET_CLIENT_RETRIES)
+            chromecast = yield from hass.async_add_job(func)
+        except pychromecast.ChromecastConnectionError as err:
+            _LOGGER.warning("Can't set up chromecast on %s: %s",
+                            want_host[0], err)
+            raise PlatformNotReady
         key = (chromecast.host, chromecast.port, chromecast.uuid)
         cast_device = _async_create_cast_device(hass, chromecast)
         if cast_device is not None:
diff --git a/homeassistant/components/media_player/denonavr.py b/homeassistant/components/media_player/denonavr.py
index 5bc16d11d64..fe8fc46c24b 100644
--- a/homeassistant/components/media_player/denonavr.py
+++ b/homeassistant/components/media_player/denonavr.py
@@ -20,7 +20,7 @@ from homeassistant.const import (
     CONF_NAME, STATE_ON, CONF_ZONE, CONF_TIMEOUT)
 import homeassistant.helpers.config_validation as cv
 
-REQUIREMENTS = ['denonavr==0.6.0']
+REQUIREMENTS = ['denonavr==0.6.1']
 
 _LOGGER = logging.getLogger(__name__)
 
diff --git a/homeassistant/components/mqtt/__init__.py b/homeassistant/components/mqtt/__init__.py
index 0485d82a274..8a5fdb5b86b 100644
--- a/homeassistant/components/mqtt/__init__.py
+++ b/homeassistant/components/mqtt/__init__.py
@@ -588,7 +588,7 @@ class MQTT(object):
 
     def _mqtt_on_message(self, _mqttc, _userdata, msg):
         """Message received callback."""
-        self.hass.async_add_job(self._mqtt_handle_message, msg)
+        self.hass.add_job(self._mqtt_handle_message, msg)
 
     @callback
     def _mqtt_handle_message(self, msg):
diff --git a/homeassistant/components/mysensors.py b/homeassistant/components/mysensors.py
index 390da7ed0e0..37e257e5eb9 100644
--- a/homeassistant/components/mysensors.py
+++ b/homeassistant/components/mysensors.py
@@ -152,10 +152,8 @@ CONFIG_SCHEMA = vol.Schema({
                 vol.Optional(CONF_BAUD_RATE, default=DEFAULT_BAUD_RATE):
                     cv.positive_int,
                 vol.Optional(CONF_TCP_PORT, default=DEFAULT_TCP_PORT): cv.port,
-                vol.Optional(CONF_TOPIC_IN_PREFIX, default=''):
-                    valid_subscribe_topic,
-                vol.Optional(CONF_TOPIC_OUT_PREFIX, default=''):
-                    valid_publish_topic,
+                vol.Optional(CONF_TOPIC_IN_PREFIX): valid_subscribe_topic,
+                vol.Optional(CONF_TOPIC_OUT_PREFIX): valid_publish_topic,
                 vol.Optional(CONF_NODES, default={}): NODE_SCHEMA,
             }]
         ),
@@ -358,8 +356,8 @@ def setup(hass, config):
             hass.config.path('mysensors{}.pickle'.format(index + 1)))
         baud_rate = gway.get(CONF_BAUD_RATE)
         tcp_port = gway.get(CONF_TCP_PORT)
-        in_prefix = gway.get(CONF_TOPIC_IN_PREFIX)
-        out_prefix = gway.get(CONF_TOPIC_OUT_PREFIX)
+        in_prefix = gway.get(CONF_TOPIC_IN_PREFIX, '')
+        out_prefix = gway.get(CONF_TOPIC_OUT_PREFIX, '')
         ready_gateway = setup_gateway(
             device, persistence_file, baud_rate, tcp_port, in_prefix,
             out_prefix)
diff --git a/homeassistant/components/remote/harmony.py b/homeassistant/components/remote/harmony.py
index 25a1a684d3c..842dce087e8 100644
--- a/homeassistant/components/remote/harmony.py
+++ b/homeassistant/components/remote/harmony.py
@@ -31,7 +31,7 @@ CONF_DEVICE_CACHE = 'harmony_device_cache'
 SERVICE_SYNC = 'harmony_sync'
 
 PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
-    vol.Required(ATTR_ACTIVITY): cv.string,
+    vol.Optional(ATTR_ACTIVITY): cv.string,
     vol.Required(CONF_NAME): cv.string,
     vol.Optional(ATTR_DELAY_SECS, default=DEFAULT_DELAY_SECS):
         vol.Coerce(float),
@@ -71,7 +71,7 @@ def setup_platform(hass, config, add_devices, discovery_info=None):
             port)
 
         # Ignore hub name when checking if this hub is known - ip and port only
-        if host and host[1:] in (h.host for h in DEVICES):
+        if host[1:] in ((h.host, h.port) for h in DEVICES):
             _LOGGER.debug("Discovered host already known: %s", host)
             return
     elif CONF_HOST in config:
@@ -139,7 +139,7 @@ class HarmonyRemote(remote.RemoteDevice):
         _LOGGER.debug("HarmonyRemote device init started for: %s", name)
         self._name = name
         self.host = host
-        self._port = port
+        self.port = port
         self._state = None
         self._current_activity = None
         self._default_activity = activity
diff --git a/homeassistant/components/sensor/alpha_vantage.py b/homeassistant/components/sensor/alpha_vantage.py
index 81c84a7f918..896497a93d5 100644
--- a/homeassistant/components/sensor/alpha_vantage.py
+++ b/homeassistant/components/sensor/alpha_vantage.py
@@ -70,8 +70,8 @@ def setup_platform(hass, config, add_devices, discovery_info=None):
     from alpha_vantage.foreignexchange import ForeignExchange
 
     api_key = config.get(CONF_API_KEY)
-    symbols = config.get(CONF_SYMBOLS)
-    conversions = config.get(CONF_FOREIGN_EXCHANGE)
+    symbols = config.get(CONF_SYMBOLS, [])
+    conversions = config.get(CONF_FOREIGN_EXCHANGE, [])
 
     if not symbols and not conversions:
         msg = 'Warning: No symbols or currencies configured.'
diff --git a/homeassistant/components/sensor/broadlink.py b/homeassistant/components/sensor/broadlink.py
index 1440e2496fe..47cefe50aec 100644
--- a/homeassistant/components/sensor/broadlink.py
+++ b/homeassistant/components/sensor/broadlink.py
@@ -19,7 +19,9 @@ from homeassistant.helpers.entity import Entity
 from homeassistant.util import Throttle
 import homeassistant.helpers.config_validation as cv
 
-REQUIREMENTS = ['broadlink==0.5']
+REQUIREMENTS = [
+    'https://github.com/balloob/python-broadlink/archive/'
+    '3580ff2eaccd267846f14246d6ede6e30671f7c6.zip#broadlink==0.5.1']
 
 _LOGGER = logging.getLogger(__name__)
 
diff --git a/homeassistant/components/switch/broadlink.py b/homeassistant/components/switch/broadlink.py
index 91ecc9c7111..38888733ba6 100644
--- a/homeassistant/components/switch/broadlink.py
+++ b/homeassistant/components/switch/broadlink.py
@@ -22,7 +22,9 @@ import homeassistant.helpers.config_validation as cv
 from homeassistant.util import Throttle
 from homeassistant.util.dt import utcnow
 
-REQUIREMENTS = ['broadlink==0.5']
+REQUIREMENTS = [
+    'https://github.com/balloob/python-broadlink/archive/'
+    '3580ff2eaccd267846f14246d6ede6e30671f7c6.zip#broadlink==0.5.1']
 
 _LOGGER = logging.getLogger(__name__)
 
diff --git a/homeassistant/components/tahoma.py b/homeassistant/components/tahoma.py
index b288a704d74..7c8d047fbcf 100644
--- a/homeassistant/components/tahoma.py
+++ b/homeassistant/components/tahoma.py
@@ -14,7 +14,7 @@ from homeassistant.helpers import discovery
 from homeassistant.helpers import config_validation as cv
 from homeassistant.helpers.entity import Entity
 
-REQUIREMENTS = ['tahoma-api==0.0.12']
+REQUIREMENTS = ['tahoma-api==0.0.13']
 
 _LOGGER = logging.getLogger(__name__)
 
diff --git a/homeassistant/components/vacuum/roomba.py b/homeassistant/components/vacuum/roomba.py
index 6485f0025e2..b983b20bd0c 100644
--- a/homeassistant/components/vacuum/roomba.py
+++ b/homeassistant/components/vacuum/roomba.py
@@ -8,12 +8,15 @@ import asyncio
 import logging
 import voluptuous as vol
 
+import async_timeout
+
 from homeassistant.components.vacuum import (
     VacuumDevice, PLATFORM_SCHEMA, SUPPORT_BATTERY, SUPPORT_FAN_SPEED,
     SUPPORT_PAUSE, SUPPORT_RETURN_HOME, SUPPORT_SEND_COMMAND, SUPPORT_STATUS,
     SUPPORT_STOP, SUPPORT_TURN_OFF, SUPPORT_TURN_ON)
 from homeassistant.const import (
     CONF_HOST, CONF_NAME, CONF_PASSWORD, CONF_USERNAME)
+from homeassistant.exceptions import PlatformNotReady
 import homeassistant.helpers.config_validation as cv
 
 
@@ -90,7 +93,13 @@ def async_setup_platform(hass, config, async_add_devices, discovery_info=None):
     )
     _LOGGER.info("Initializing communication with host %s (username: %s)",
                  host, username)
-    yield from hass.async_add_job(roomba.connect)
+
+    try:
+        with async_timeout.timeout(9):
+            yield from hass.async_add_job(roomba.connect)
+    except asyncio.TimeoutError:
+        raise PlatformNotReady
+
     roomba_vac = RoombaVacuum(name, roomba)
     hass.data[PLATFORM][host] = roomba_vac
 
diff --git a/homeassistant/components/weather/darksky.py b/homeassistant/components/weather/darksky.py
index 21f67ce080a..139f8abfce6 100644
--- a/homeassistant/components/weather/darksky.py
+++ b/homeassistant/components/weather/darksky.py
@@ -96,7 +96,7 @@ class DarkSkyWeather(WeatherEntity):
     @property
     def humidity(self):
         """Return the humidity."""
-        return self._ds_currently.get('humidity') * 100.0
+        return round(self._ds_currently.get('humidity') * 100.0, 2)
 
     @property
     def wind_speed(self):
diff --git a/homeassistant/components/zha/__init__.py b/homeassistant/components/zha/__init__.py
index bb29cb28b0f..9a8c88e6f23 100644
--- a/homeassistant/components/zha/__init__.py
+++ b/homeassistant/components/zha/__init__.py
@@ -17,8 +17,8 @@ from homeassistant.helpers import discovery, entity
 from homeassistant.util import slugify
 
 REQUIREMENTS = [
-    'bellows==0.5.0',
-    'zigpy==0.0.1',
+    'bellows==0.5.1',
+    'zigpy==0.0.3',
     'zigpy-xbee==0.0.2',
 ]
 
diff --git a/homeassistant/const.py b/homeassistant/const.py
index a067e14d344..82ebadd80f4 100644
--- a/homeassistant/const.py
+++ b/homeassistant/const.py
@@ -2,7 +2,7 @@
 """Constants used by Home Assistant components."""
 MAJOR_VERSION = 0
 MINOR_VERSION = 64
-PATCH_VERSION = '0'
+PATCH_VERSION = '1'
 __short_version__ = '{}.{}'.format(MAJOR_VERSION, MINOR_VERSION)
 __version__ = '{}.{}'.format(__short_version__, PATCH_VERSION)
 REQUIRED_PYTHON_VER = (3, 4, 2)
diff --git a/homeassistant/package_constraints.txt b/homeassistant/package_constraints.txt
index 2eb42b94389..7b6a5f09330 100644
--- a/homeassistant/package_constraints.txt
+++ b/homeassistant/package_constraints.txt
@@ -15,3 +15,6 @@ attrs==17.4.0
 
 # Breaks Python 3.6 and is not needed for our supported Python versions
 enum34==1000000000.0.0
+
+# This is a old unmaintained library and is replaced with pycryptodome
+pycrypto==1000000000.0.0
diff --git a/requirements_all.txt b/requirements_all.txt
index 7deac085466..88d8d19e1c8 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -133,7 +133,7 @@ batinfo==0.4.2
 beautifulsoup4==4.6.0
 
 # homeassistant.components.zha
-bellows==0.5.0
+bellows==0.5.1
 
 # homeassistant.components.bmw_connected_drive
 bimmer_connected==0.3.0
@@ -165,10 +165,6 @@ boto3==1.4.7
 # homeassistant.scripts.credstash
 botocore==1.7.34
 
-# homeassistant.components.sensor.broadlink
-# homeassistant.components.switch.broadlink
-broadlink==0.5
-
 # homeassistant.components.sensor.buienradar
 # homeassistant.components.weather.buienradar
 buienradar==0.91
@@ -179,9 +175,6 @@ caldav==0.5.0
 # homeassistant.components.notify.ciscospark
 ciscosparkapi==0.4.2
 
-# homeassistant.components.coinbase
-coinbase==2.0.7
-
 # homeassistant.components.sensor.coinmarketcap
 coinmarketcap==4.2.1
 
@@ -219,7 +212,7 @@ defusedxml==0.5.0
 deluge-client==1.0.5
 
 # homeassistant.components.media_player.denonavr
-denonavr==0.6.0
+denonavr==0.6.1
 
 # homeassistant.components.media_player.directv
 directpy==0.2
@@ -356,7 +349,7 @@ hipnotify==1.0.8
 holidays==0.9.3
 
 # homeassistant.components.frontend
-home-assistant-frontend==20180221.1
+home-assistant-frontend==20180227.0
 
 # homeassistant.components.camera.onvif
 http://github.com/tgaugry/suds-passworddigest-py3/archive/86fc50e39b4d2b8997481967d6a7fe1c57118999.zip#suds-passworddigest-py3==0.1.2a
@@ -370,6 +363,13 @@ httplib2==0.10.3
 # homeassistant.components.media_player.braviatv
 https://github.com/aparraga/braviarc/archive/0.3.7.zip#braviarc==0.3.7
 
+# homeassistant.components.coinbase
+https://github.com/balloob/coinbase-python/archive/3a35efe13ef728a1cc18204b4f25be1fcb1c6006.zip#coinbase==2.0.8a1
+
+# homeassistant.components.sensor.broadlink
+# homeassistant.components.switch.broadlink
+https://github.com/balloob/python-broadlink/archive/3580ff2eaccd267846f14246d6ede6e30671f7c6.zip#broadlink==0.5.1
+
 # homeassistant.components.media_player.spotify
 https://github.com/happyleavesaoc/spotipy/archive/544614f4b1d508201d363e84e871f86c90aa26b2.zip#spotipy==2.4.4
 
@@ -400,7 +400,7 @@ https://github.com/wokar/pylgnetcast/archive/v0.2.0.zip#pylgnetcast==0.2.0
 # i2csense==0.0.4
 
 # homeassistant.components.light.iglo
-iglo==1.2.5
+iglo==1.2.6
 
 # homeassistant.components.ihc
 ihcsdk==2.1.1
@@ -1156,7 +1156,7 @@ steamodd==4.21
 suds-py3==1.3.3.0
 
 # homeassistant.components.tahoma
-tahoma-api==0.0.12
+tahoma-api==0.0.13
 
 # homeassistant.components.sensor.tank_utility
 tank_utility==1.4.0
@@ -1298,4 +1298,4 @@ ziggo-mediabox-xl==1.0.0
 zigpy-xbee==0.0.2
 
 # homeassistant.components.zha
-zigpy==0.0.1
+zigpy==0.0.3
diff --git a/requirements_test_all.txt b/requirements_test_all.txt
index 1e443e3ad00..9fa6e7f5cde 100644
--- a/requirements_test_all.txt
+++ b/requirements_test_all.txt
@@ -75,7 +75,7 @@ hbmqtt==0.9.1
 holidays==0.9.3
 
 # homeassistant.components.frontend
-home-assistant-frontend==20180221.1
+home-assistant-frontend==20180227.0
 
 # homeassistant.components.influxdb
 # homeassistant.components.sensor.influxdb
diff --git a/script/gen_requirements_all.py b/script/gen_requirements_all.py
index 460c998f556..31e0635e411 100755
--- a/script/gen_requirements_all.py
+++ b/script/gen_requirements_all.py
@@ -113,6 +113,9 @@ CONSTRAINT_PATH = os.path.join(os.path.dirname(__file__),
 CONSTRAINT_BASE = """
 # Breaks Python 3.6 and is not needed for our supported Python versions
 enum34==1000000000.0.0
+
+# This is a old unmaintained library and is replaced with pycryptodome
+pycrypto==1000000000.0.0
 """
 
 
diff --git a/tests/components/media_player/test_cast.py b/tests/components/media_player/test_cast.py
index 6eeb9136b07..aaaad47d8dc 100644
--- a/tests/components/media_player/test_cast.py
+++ b/tests/components/media_player/test_cast.py
@@ -7,6 +7,7 @@ from uuid import UUID
 
 import pytest
 
+from homeassistant.exceptions import PlatformNotReady
 from homeassistant.const import EVENT_HOMEASSISTANT_STOP
 from homeassistant.helpers.dispatcher import async_dispatcher_connect
 from homeassistant.components.media_player import cast
@@ -122,7 +123,7 @@ def test_internal_discovery_callback_only_generates_once(hass):
                return_value=chromecast) as gen_chromecast:
         discover_cast('the-service', chromecast)
         mdns = (chromecast.host, chromecast.port, chromecast.uuid, None, None)
-        gen_chromecast.assert_called_once_with(mdns, blocking=True)
+        gen_chromecast.assert_called_once_with(mdns, blocking=True, tries=10)
 
         discover_cast('the-service', chromecast)
         gen_chromecast.reset_mock()
@@ -196,6 +197,10 @@ def test_create_cast_device_with_uuid(hass):
 @asyncio.coroutine
 def test_normal_chromecast_not_starting_discovery(hass):
     """Test cast platform not starting discovery when not required."""
+    import pychromecast  # imports mock pychromecast
+
+    pychromecast.ChromecastConnectionError = IOError
+
     chromecast = get_fake_chromecast()
 
     with patch('pychromecast.Chromecast', return_value=chromecast):
@@ -216,6 +221,11 @@ def test_normal_chromecast_not_starting_discovery(hass):
             hass, discovery_info={'host': 'host1', 'port': 42})
         assert add_devices.call_count == 0
 
+    with patch('pychromecast.Chromecast',
+               side_effect=pychromecast.ChromecastConnectionError):
+        with pytest.raises(PlatformNotReady):
+            yield from async_setup_cast(hass, {'host': 'host3'})
+
 
 @asyncio.coroutine
 def test_replay_past_chromecasts(hass):