Fixes for PEP257 (#11810)

* Fixes for PEP257

* More updates

homeassistant/components/binary_sensor/spc.py

@@ -4,46 +4,49 @@ Support for Vanderbilt (formerly Siemens) SPC alarm systems.
 For more details about this platform, please refer to the documentation at
 https://home-assistant.io/components/binary_sensor.spc/
 """
-import logging
 import asyncio
+import logging
 
-from homeassistant.components.spc import (
-    ATTR_DISCOVER_DEVICES, DATA_REGISTRY)
 from homeassistant.components.binary_sensor import BinarySensorDevice
-from homeassistant.const import (STATE_UNAVAILABLE, STATE_ON, STATE_OFF)
-
+from homeassistant.components.spc import ATTR_DISCOVER_DEVICES, DATA_REGISTRY
+from homeassistant.const import STATE_OFF, STATE_ON, STATE_UNAVAILABLE
 
 _LOGGER = logging.getLogger(__name__)
 
-SPC_TYPE_TO_DEVICE_CLASS = {'0': 'motion',
-                            '1': 'opening',
-                            '3': 'smoke'}
+SPC_TYPE_TO_DEVICE_CLASS = {
+    '0': 'motion',
+    '1': 'opening',
+    '3': 'smoke',
+}
 
-
-SPC_INPUT_TO_SENSOR_STATE = {'0': STATE_OFF,
-                             '1': STATE_ON}
+SPC_INPUT_TO_SENSOR_STATE = {
+    '0': STATE_OFF,
+    '1': STATE_ON,
+}
 
 
 def _get_device_class(spc_type):
+    """Get the device class."""
     return SPC_TYPE_TO_DEVICE_CLASS.get(spc_type, None)
 
 
 def _get_sensor_state(spc_input):
+    """Get the sensor state."""
     return SPC_INPUT_TO_SENSOR_STATE.get(spc_input, STATE_UNAVAILABLE)
 
 
 def _create_sensor(hass, zone):
-    return SpcBinarySensor(zone_id=zone['id'],
-                           name=zone['zone_name'],
-                           state=_get_sensor_state(zone['input']),
-                           device_class=_get_device_class(zone['type']),
-                           spc_registry=hass.data[DATA_REGISTRY])
+    """Create a SPC sensor."""
+    return SpcBinarySensor(
+        zone_id=zone['id'], name=zone['zone_name'],
+        state=_get_sensor_state(zone['input']),
+        device_class=_get_device_class(zone['type']),
+        spc_registry=hass.data[DATA_REGISTRY])
 
 
 @asyncio.coroutine
-def async_setup_platform(hass, config, async_add_devices,
-                         discovery_info=None):
-    """Initialize the platform."""
+def async_setup_platform(hass, config, async_add_devices, discovery_info=None):
+    """Set up the SPC binary sensor."""
     if (discovery_info is None or
             discovery_info[ATTR_DISCOVER_DEVICES] is None):
         return
@@ -55,7 +58,7 @@ def async_setup_platform(hass, config, async_add_devices,
 
 
 class SpcBinarySensor(BinarySensorDevice):
-    """Represents a sensor based on an SPC zone."""
+    """Representation of a sensor based on a SPC zone."""
 
     def __init__(self, zone_id, name, state, device_class, spc_registry):
         """Initialize the sensor device."""
@@ -74,7 +77,7 @@ class SpcBinarySensor(BinarySensorDevice):
 
     @property
     def name(self):
-        """The name of the device."""
+        """Return the name of the device."""
         return self._name
 
     @property
@@ -85,7 +88,7 @@ class SpcBinarySensor(BinarySensorDevice):
     @property
     def hidden(self) -> bool:
         """Whether the device is hidden by default."""
-        # these type of sensors are probably mainly used for automations
+        # These type of sensors are probably mainly used for automations
         return True
 
     @property
@@ -95,5 +98,5 @@ class SpcBinarySensor(BinarySensorDevice):
 
     @property
     def device_class(self):
-        """The device class."""
+        """Return the device class."""
         return self._device_class