diff --git a/TestON/tests/HATestClusterRestart/HATestClusterRestart.py b/TestON/tests/HATestClusterRestart/HATestClusterRestart.py
index e9beb0c..72a9c14 100644
--- a/TestON/tests/HATestClusterRestart/HATestClusterRestart.py
+++ b/TestON/tests/HATestClusterRestart/HATestClusterRestart.py
@@ -243,7 +243,7 @@
             response = main.Mininet1.getSwController( "s" + str( i ) )
             try:
                 main.log.info( str( response ) )
-            except:
+            except Exception:
                 main.log.info( repr( response ) )
             if re.search( "tcp:" + ONOS1Ip, response )\
                     and re.search( "tcp:" + ONOS2Ip, response )\
@@ -1362,7 +1362,7 @@
                 print json.dumps( json.loads( ONOS1Intents ),
                                   sort_keys=True, indent=4,
                                   separators=( ',', ': ' ) )
-            except:
+            except Exception:
                 pass
             sameIntents = main.FALSE
         utilities.assert_equals(
diff --git a/TestON/tests/HATestMinorityRestart/HATestMinorityRestart.py b/TestON/tests/HATestMinorityRestart/HATestMinorityRestart.py
index de26e67..8649f98 100644
--- a/TestON/tests/HATestMinorityRestart/HATestMinorityRestart.py
+++ b/TestON/tests/HATestMinorityRestart/HATestMinorityRestart.py
@@ -243,7 +243,7 @@
             response = main.Mininet1.getSwController( "s" + str( i ) )
             try:
                 main.log.info( str( response ) )
-            except:
+            except Exception:
                 main.log.info( repr( response ) )
             if re.search( "tcp:" + ONOS1Ip, response )\
                     and re.search( "tcp:" + ONOS2Ip, response )\
@@ -401,6 +401,7 @@
         Assign intents
         """
         import time
+        import json
         main.log.report( "Adding host intents" )
         main.case( "Adding host Intents" )
 
@@ -493,6 +494,7 @@
         """
         Ping across added host intents
         """
+        import json
         description = " Ping across added host intents"
         main.log.report( description )
         main.case( description )
@@ -1136,6 +1138,7 @@
         Check state after ONOS failure
         """
         import json
+        import time
         main.case( "Running ONOS Constant State Tests" )
 
         # Assert that each device has a master
@@ -1363,7 +1366,7 @@
                     print json.dumps( json.loads( ONOS1Intents ),
                                       sort_keys=True, indent=4,
                                       separators=( ',', ': ' ) )
-                except:
+                except Exception:
                     pass
                 sameIntents = main.FALSE
             utilities.assert_equals(
@@ -1475,8 +1478,8 @@
         if result == main.TRUE:
             main.log.report( "Constant State Tests Passed" )
         utilities.assert_equals( expect=main.TRUE, actual=result,
-                                onpass="Constant State Tests Passed",
-                                onfail="Constant state tests failed" )
+                                 onpass="Constant State Tests Passed",
+                                 onfail="Constant state tests failed" )
 
     def CASE8( self, main ):
         """
diff --git a/TestON/tests/HATestSanity/HATestSanity.py b/TestON/tests/HATestSanity/HATestSanity.py
index 590ff56..96d0858 100644
--- a/TestON/tests/HATestSanity/HATestSanity.py
+++ b/TestON/tests/HATestSanity/HATestSanity.py
@@ -243,7 +243,7 @@
             response = main.Mininet1.getSwController( "s" + str( i ) )
             try:
                 main.log.info( str( response ) )
-            except:
+            except Exception:
                 main.log.info( repr( response ) )
             if re.search( "tcp:" + ONOS1Ip, response )\
                     and re.search( "tcp:" + ONOS2Ip, response )\
@@ -1325,7 +1325,7 @@
                 print json.dumps( json.loads( ONOS1Intents ),
                                   sort_keys=True, indent=4,
                                   separators=( ',', ': ' ) )
-            except:
+            except Exception:
                 pass
             sameIntents = main.FALSE
         utilities.assert_equals(
diff --git a/TestON/tests/HATestSingleInstanceRestart/HATestSingleInstanceRestart.py b/TestON/tests/HATestSingleInstanceRestart/HATestSingleInstanceRestart.py
index 44ce741..81b3afd 100644
--- a/TestON/tests/HATestSingleInstanceRestart/HATestSingleInstanceRestart.py
+++ b/TestON/tests/HATestSingleInstanceRestart/HATestSingleInstanceRestart.py
@@ -180,7 +180,7 @@
             response = main.Mininet1.getSwController( "s" + str( i ) )
             try:
                 main.log.info( str( response ) )
-            except:
+            except Exception:
                 main.log.info( repr( response ) )
             if re.search( "tcp:" + ONOS1Ip, response ):
                 mastershipCheck = mastershipCheck and main.TRUE
@@ -198,6 +198,7 @@
         """
         Assign intents
         """
+        import json
         # FIXME: we must reinstall intents until we have a persistant
         # datastore!
         import time
@@ -280,6 +281,7 @@
         """
         Ping across added host intents
         """
+        import json
         description = " Ping across added host intents"
         main.log.report( description )
         main.case( description )
@@ -499,9 +501,9 @@
         utilities.assert_equals( expect=main.TRUE, actual=caseResults,
                                 onpass="ONOS restart successful",
                                 onfail="ONOS restart NOT successful" )
-        main.log.info(
-            "ESTIMATE: ONOS took %s seconds to restart" %
-            str( elapsed ) )
+        if elapsed:
+            main.log.info( "ESTIMATE: ONOS took %s seconds to restart" %
+                           str( elapsed ) )
         time.sleep( 5 )
 
     def CASE7( self, main ):
@@ -613,7 +615,7 @@
                 print json.dumps( json.loads( ONOS1Intents ),
                                   sort_keys=True, indent=4,
                                   separators=( ',', ': ' ) )
-            except:
+            except Exception:
                 pass
             sameIntents = main.FALSE
         utilities.assert_equals(
diff --git a/TestON/tests/PingallExample/PingallExample.py b/TestON/tests/PingallExample/PingallExample.py
index 653397e..dab380f 100644
--- a/TestON/tests/PingallExample/PingallExample.py
+++ b/TestON/tests/PingallExample/PingallExample.py
@@ -127,7 +127,7 @@
             response = main.Mininet1.getSwController( "s" + str( i ) )
             try:
                 main.log.info( str( response ) )
-            except:
+            except Exception:
                 main.log.info( repr( response ) )
             if re.search( "tcp:" + ONOS1Ip, response ):
                 mastershipCheck = mastershipCheck and main.TRUE