Complying with coding standards.

Documented release notes.

Author: NitrogenUA

docs/RelNotes-2.1.0.txt

@@ -0,0 +1,5 @@
+====================
+v2.1.0 Release Notes
+====================
+
+* implemented support for dns-01 challenge in Let's Encrypt plugin.

plugins.d/Lets_Encrypt/dns_01.py

@@ -1,10 +1,11 @@
 #!/usr/bin/python3
 import sys
 import subprocess
+import re
+
 from subprocess import PIPE
 from os import path
 from shutil import which
-import re
 
 LEXICON_CONF = '/usr/share/confconsole/letsencrypt/lexicon.yml'
 

plugins.d/Lets_Encrypt/get_certificate.py

@@ -3,9 +3,11 @@
 import requests
 import sys
 import subprocess
+
 from subprocess import PIPE
 from os import path, remove
 from shutil import copyfile, which
+
 import dns_01
 
 LE_INFO_URL = 'https://acme-v02.api.letsencrypt.org/directory'