More codacy test fixes.

test/broker/01-connect-uname-password-denied.py

@@ -3,8 +3,6 @@
 # Test whether a connection is denied if it provides a correct username but
 # incorrect password.
 
-import subprocess
-
 import inspect, os, sys
 # From http://stackoverflow.com/questions/279237/python-import-a-module-from-a-folder
 cmd_subfolder = os.path.realpath(os.path.abspath(os.path.join(os.path.split(inspect.getfile( inspect.currentframe() ))[0],"..")))

test/broker/02-subpub-qos1.py

@@ -2,8 +2,6 @@
 
 # Test whether a client subscribed to a topic receives its own message sent to that topic.
 
-import socket
-
 import inspect, os, sys
 # From http://stackoverflow.com/questions/279237/python-import-a-module-from-a-folder
 cmd_subfolder = os.path.realpath(os.path.abspath(os.path.join(os.path.split(inspect.getfile( inspect.currentframe() ))[0],"..")))

test/broker/02-unsubscribe-qos1.py

@@ -2,8 +2,6 @@
 
 # Test whether a SUBSCRIBE to a topic with QoS 1 results in the correct SUBACK packet.
 
-import subprocess
-
 import inspect, os, sys
 # From http://stackoverflow.com/questions/279237/python-import-a-module-from-a-folder
 cmd_subfolder = os.path.realpath(os.path.abspath(os.path.join(os.path.split(inspect.getfile( inspect.currentframe() ))[0],"..")))

test/broker/02-unsubscribe-qos2.py

@@ -2,8 +2,6 @@
 
 # Test whether a SUBSCRIBE to a topic with QoS 2 results in the correct SUBACK packet.
 
-import subprocess
-
 import inspect, os, sys
 # From http://stackoverflow.com/questions/279237/python-import-a-module-from-a-folder
 cmd_subfolder = os.path.realpath(os.path.abspath(os.path.join(os.path.split(inspect.getfile( inspect.currentframe() ))[0],"..")))

test/broker/03-publish-qos2.py

@@ -2,8 +2,6 @@
 
 # Test whether a PUBLISH to a topic with QoS 2 results in the correct packet flow.
 
-import subprocess
-
 import inspect, os, sys
 # From http://stackoverflow.com/questions/279237/python-import-a-module-from-a-folder
 cmd_subfolder = os.path.realpath(os.path.abspath(os.path.join(os.path.split(inspect.getfile( inspect.currentframe() ))[0],"..")))

test/broker/04-retain-qos1-qos0.py

@@ -4,8 +4,6 @@
 # Subscription is made with QoS 0 so the retained message should also have QoS
 # 0.
 
-import socket
-
 import inspect, os, sys
 # From http://stackoverflow.com/questions/279237/python-import-a-module-from-a-folder
 cmd_subfolder = os.path.realpath(os.path.abspath(os.path.join(os.path.split(inspect.getfile( inspect.currentframe() ))[0],"..")))

test/broker/06-bridge-b2br-disconnect-qos1.py

@@ -3,7 +3,6 @@
 # Does a bridge resend a QoS=1 message correctly after a disconnect?
 
 import socket
-import time
 
 import inspect, os, sys
 # From http://stackoverflow.com/questions/279237/python-import-a-module-from-a-folder

test/broker/07-will-null-topic.py

@@ -1,7 +1,6 @@
 #!/usr/bin/env python
 
 import struct
-import subprocess
 
 import inspect, os, sys
 # From http://stackoverflow.com/questions/279237/python-import-a-module-from-a-folder

test/broker/08-ssl-connect-cert-auth-without.py

@@ -12,7 +12,7 @@ if sys.version < '2.7':
     print("WARNING: SSL not supported on Python 2.6")
     exit(0)
 
-import inspect, os, sys
+import inspect, os
 # From http://stackoverflow.com/questions/279237/python-import-a-module-from-a-folder
 cmd_subfolder = os.path.realpath(os.path.abspath(os.path.join(os.path.split(inspect.getfile( inspect.currentframe() ))[0],"..")))
 if cmd_subfolder not in sys.path:

test/broker/09-plugin-auth-unpwd-success.py

@@ -3,8 +3,6 @@
 # Test whether a connection is successful with correct username and password
 # when using a simple auth_plugin.
 
-import time
-
 import inspect, os, sys
 # From http://stackoverflow.com/questions/279237/python-import-a-module-from-a-folder
 cmd_subfolder = os.path.realpath(os.path.abspath(os.path.join(os.path.split(inspect.getfile( inspect.currentframe() ))[0],"..")))

test/lib/02-subscribe-qos0.py

@@ -63,7 +63,7 @@ try:
 
             if mosq_test.expect_packet(conn, "disconnect", disconnect_packet):
                 rc = 0
-        
+
     conn.close()
 finally:
     client.terminate()

test/lib/02-subscribe-qos1.py

@@ -60,7 +60,7 @@ try:
 
         if mosq_test.expect_packet(conn, "subscribe", subscribe_packet):
             conn.send(suback_packet)
-        
+
             if mosq_test.expect_packet(conn, "disconnect", disconnect_packet):
                 rc = 0
 

test/lib/02-unsubscribe.py

@@ -50,7 +50,7 @@ try:
 
         if mosq_test.expect_packet(conn, "unsubscribe", unsubscribe_packet):
             conn.send(unsuback_packet)
- 
+
             if mosq_test.expect_packet(conn, "disconnect", disconnect_packet):
                 rc = 0