Add missing `quote` import for Python 2.x

When running under Python 2.x, this import is missing and we get an error when running anything with `etherdump pull`.
1 changed files with 1 additions and 1 deletions
--- a/etherdump/commands/pull.py
+++ b/etherdump/commands/pull.py
@ -6,7 +6,7 @@ from datetime import datetime
 try:
    # python2
    from urllib2 import urlopen, URLError, HTTPError
-    from urllib import urlencode
+    from urllib import urlencode, quote
 except ImportError:
    # python3
    from urllib.parse import urlencode, quote