code cleanup

dnsping.py

@@ -25,6 +25,8 @@
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 
+import dns.rdatatype
+import dns.resolver
 import getopt
 import os
 import signal
@@ -32,9 +34,6 @@ import sys
 import time
 from statistics import stdev
 
-import dns.rdatatype
-import dns.resolver
-
 __VERSION__ = 1.0
 __PROGNAME__ = os.path.basename(sys.argv[0])
 should_stop = False

dnstraceroute.py

@@ -111,8 +111,6 @@ def main():
 
     icmp = socket.getprotobyname('icmp')
 
-    response_time = []
-    i = 0
     ttl = 1
     reached = False
 
@@ -128,7 +126,7 @@ def main():
 
         try:  # send DNS request
             stime = time.time()
-            answers = resolver.query(hostname, dnsrecord, ipttl=ttl)
+            resolver.query(hostname, dnsrecord, ipttl=ttl)
         except dns.resolver.NoNameservers as e:
             if not quiet:
                 print("no or bad response:", e)