diff --git a/homeassistant/__main__.py b/homeassistant/__main__.py
index ab83d2aa09ad07..5dd43e0508a777 100644
--- a/homeassistant/__main__.py
+++ b/homeassistant/__main__.py
@@ -4,7 +4,6 @@
 import argparse
 import os
 import platform
-import signal
 import subprocess
 import sys
 import threading
@@ -334,29 +333,6 @@ def try_to_restart():
     except AssertionError:
         sys.stderr.write("Failed to count non-daemonic threads.\n")
 
-    # Send terminate signal to all processes in our process group which
-    # should be any children that have not themselves changed the process
-    # group id. Don't bother if couldn't even call setpgid.
-    if hasattr(os, 'setpgid'):
-        sys.stderr.write("Signalling child processes to terminate...\n")
-        os.kill(0, signal.SIGTERM)
-
-        # wait for child processes to terminate
-        try:
-            while True:
-                time.sleep(1)
-                if os.waitpid(0, os.WNOHANG) == (0, 0):
-                    break
-        except OSError:
-            pass
-
-    elif os.name == 'nt':
-        # Maybe one of the following will work, but how do we indicate which
-        # processes are our children if there is no process group?
-        # os.kill(0, signal.CTRL_C_EVENT)
-        # os.kill(0, signal.CTRL_BREAK_EVENT)
-        pass
-
     # Try to not leave behind open filedescriptors with the emphasis on try.
     try:
         max_fd = os.sysconf("SC_OPEN_MAX")
@@ -408,13 +384,6 @@ def main():
     if args.pid_file:
         write_pid(args.pid_file)
 
-    # Create new process group if we can
-    if hasattr(os, 'setpgid'):
-        try:
-            os.setpgid(0, 0)
-        except PermissionError:
-            pass
-
     exit_code = setup_and_run_hass(config_dir, args)
     if exit_code == RESTART_EXIT_CODE and not args.runner:
         try_to_restart()
diff --git a/homeassistant/components/sensor/google_travel_time.py b/homeassistant/components/sensor/google_travel_time.py
index b8513fa9bb6557..c4415cc2cef613 100644
--- a/homeassistant/components/sensor/google_travel_time.py
+++ b/homeassistant/components/sensor/google_travel_time.py
@@ -136,11 +136,12 @@ def __init__(self, name, api_key, origin, destination, options):
     @property
     def state(self):
         """Return the state of the sensor."""
-        try:
-            res = self._matrix['rows'][0]['elements'][0]['duration']['value']
-            return round(res/60)
-        except KeyError:
-            return None
+        _data = self._matrix['rows'][0]['elements'][0]
+        if 'duration_in_traffic' in _data:
+            return round(_data['duration_in_traffic']['value']/60)
+        if 'duration' in _data:
+            return round(_data['duration']['value']/60)
+        return None
 
     @property
     def name(self):
@@ -175,9 +176,15 @@ def update(self):
         atime = options_copy.get('arrival_time')
         if dtime is not None and ':' in dtime:
             options_copy['departure_time'] = convert_time_to_utc(dtime)
+        elif dtime is not None:
+            options_copy['departure_time'] = dtime
+        else:
+            options_copy['departure_time'] = 'now'
 
         if atime is not None and ':' in atime:
             options_copy['arrival_time'] = convert_time_to_utc(atime)
+        elif atime is not None:
+            options_copy['arrival_time'] = atime
 
         self._matrix = self._client.distance_matrix(self._origin,
                                                     self._destination,
diff --git a/homeassistant/const.py b/homeassistant/const.py
index 2550c417b63bce..72f963a090f9e2 100644
--- a/homeassistant/const.py
+++ b/homeassistant/const.py
@@ -1,7 +1,7 @@
 # coding: utf-8
 """Constants used by Home Assistant components."""
 
-__version__ = "0.20.1"
+__version__ = "0.20.2"
 REQUIRED_PYTHON_VER = (3, 4)
 
 PLATFORM_FORMAT = '{}.{}'