Cleaned pyFlakes issues with unused imports

workspace_tools/host_tests/detect_auto.py

@@ -16,7 +16,6 @@ limitations under the License.
 """
 
 import re
-from sys import stdout
 from host_test import DefaultTest
 
 

workspace_tools/host_tests/dev_null_auto.py

@@ -16,7 +16,7 @@ limitations under the License.
 """
 
 from host_test import DefaultTest
-from sys import stdout
+
 
 class DevNullTest(DefaultTest):
 

workspace_tools/host_tests/hello_auto.py

@@ -15,8 +15,6 @@ See the License for the specific language governing permissions and
 limitations under the License.
 """
 
-import re
-from sys import stdout
 from host_test import DefaultTest
 
 

workspace_tools/host_tests/rtc_auto.py

@@ -16,7 +16,6 @@ limitations under the License.
 """
 
 import re
-from sys import stdout
 from host_test import DefaultTest
 from time import time, strftime, gmtime
 

workspace_tools/host_tests/stdio_auto.py

@@ -17,10 +17,10 @@ limitations under the License.
 
 import re
 import random
-from sys import stdout
 from time import time
 from host_test import DefaultTest
 
+
 class StdioTest(DefaultTest):
     PATTERN_INT_VALUE = "Your value was: (-?\d+)"
     re_detect_int_value = re.compile(PATTERN_INT_VALUE)

workspace_tools/host_tests/tcpecho_client_auto.py

@@ -18,7 +18,6 @@ limitations under the License.
 import sys
 import socket
 from sys import stdout
-from time import sleep
 from host_test import Test
 from SocketServer import BaseRequestHandler, TCPServer
 

workspace_tools/host_tests/tcpecho_server_auto.py

@@ -20,9 +20,9 @@ import sys
 import uuid
 import socket
 from sys import stdout
-from time import time
 from host_test import DefaultTest
 
+
 class TCPEchoServerTest(DefaultTest):
     ECHO_SERVER_ADDRESS = ""
     ECHO_PORT = 0

workspace_tools/host_tests/udpecho_server_auto.py

@@ -15,12 +15,10 @@ See the License for the specific language governing permissions and
 limitations under the License.
 """
 
-
 import re
 import sys
 import uuid
 from sys import stdout
-from time import time
 from host_test import DefaultTest
 from socket import socket, AF_INET, SOCK_DGRAM
 

workspace_tools/host_tests/wait_us_auto.py

@@ -16,7 +16,6 @@ limitations under the License.
 """
 
 from time import time
-from sys import stdout
 from host_test import DefaultTest