Match requests's urllib3 requirement

parsedmarc/splunk.py

@@ -2,8 +2,8 @@ import logging
 from urllib.parse import urlparse
 import socket
 import json
-import urllib3
 
+import urllib3
 import requests
 
 from parsedmarc.__version__ import __version__

requirements.txt

@@ -1,4 +1,5 @@
 dnspython
+urllib3<1.24,>=1.21.1
 requests
 publicsuffix
 xmltodict

setup.py

@@ -93,7 +93,7 @@ setup(
     # requirements files see:
     # https://packaging.python.org/en/latest/requirements.html
     install_requires=['dnspython', 'publicsuffix', 'xmltodict', 'geoip2',
-                      'requests', 'imapclient',
+                      'urllib3<1.24,>=1.21.1', 'requests', 'imapclient',
                       'mail-parser', 'dateparser',
                       'elasticsearch>=6.3.0,<7.0.0',
                       'elasticsearch-dsl>=6.2.1,<7.0.0', 'kafka-python'