Make sure http_proxy is not set when testing URL.

python-pscheduler/pscheduler/tests/psurl_test.py

@@ -4,12 +4,16 @@
 """
 
 import unittest
+import os
+
+# Remove any proxy that might be in the way of testing
+os.environ.pop('http_proxy')
+os.environ.pop('https_proxy')
 
 from base_test import PschedTestBase
 
 from pscheduler.psurl import *
 
-
 class TestPsurl(PschedTestBase):
     """
     URL tests.