fix README and code cleanup

README.md

@@ -106,7 +106,8 @@ Using `--expert` will instruct dnstraceroute to print expert hints (such as warn
 dnseval is a bulk ping utility that sends an arbitrary DNS query to a give list
 of DNS servers. This script is meant for comparing response time of multiple
 DNS servers at once:
-```% ./dnseval.py -f public-v4.txt -c3 ripe.net
+```
+% ./dnseval.py -f public-v4.txt -c3 ripe.net
 server           avg(ms)     min(ms)     max(ms)     stddev(ms)  lost(%)  flags
 ----------------------------------------------------------------------------------
 8.8.8.8          210.225     109.864     407.420     170.785     %0       QR RD RA

dnsping.py

@@ -34,9 +34,9 @@ import sys
 import time
 from statistics import stdev
 
+import dns.flags
 import dns.rdatatype
 import dns.resolver
-import dns.flags
 
 __VERSION__ = 1.1
 __PROGNAME__ = os.path.basename(sys.argv[0])
@@ -168,7 +168,8 @@ def main():
             break
         try:
             stime = time.time()
-            answers = resolver.query(hostname, dnsrecord, source_port=src_port, source=src_ip, tcp=use_tcp, af=af, raise_on_no_answer=False)
+            answers = resolver.query(hostname, dnsrecord, source_port=src_port, source=src_ip, tcp=use_tcp, af=af,
+                                     raise_on_no_answer=False)
             etime = time.time()
         except dns.resolver.NoNameservers as e:
             if not quiet:

setup.py

@@ -1,8 +1,9 @@
 from setuptools import setup, find_packages
+
 setup(
-    name = "dnsdiag",
-    version = "1.3.5",
-	packages = find_packages(),
+    name="dnsdiag",
+    version="1.3.5",
+    packages=find_packages(),
     classifiers=[
         "Topic :: System :: Networking",
         "Environment :: Console",
@@ -13,20 +14,20 @@ setup(
         "Operating System :: OS Independent",
     ],
 
-    author = "Babak Farrokhi",
-    author_email = "babak@farrokhi.net",
-    description = "DNS Diagnostics and measurement tools (ping, traceroute)",
-    long_description = """
+    author="Babak Farrokhi",
+    author_email="babak@farrokhi.net",
+    description="DNS Diagnostics and measurement tools (ping, traceroute)",
+    long_description="""
 DNSDiag provides a handful of tools to measure and diagnose your DNS
 performance and integrity. Using dnsping, dnstraceroute and dnseval tools
 you can measure your DNS response quality from delay and loss perspective
 as well as tracing the path your DNS query takes to get to DNS server.
 """,
-    license = "BSD",
-    keywords = "dns traceroute ping",
-    url = "https://dnsdiag.org/",
+    license="BSD",
+    keywords="dns traceroute ping",
+    url="https://dnsdiag.org/",
     entry_points={
-        'console_scripts':[
+        'console_scripts': [
             'dnsping = dnsping:main',
             'dnstraceroute = dnstraceroute:main',
             'dnseval = dnseval:main',