diff --git a/acme/acme/client.py b/acme/acme/client.py
index 6fcee2fdc..2e07d34d7 100644
--- a/acme/acme/client.py
+++ b/acme/acme/client.py
@@ -647,7 +647,7 @@ class ClientNetwork(object):  # pylint: disable=too-many-instance-attributes
             err_regex = r".*host='(\S*)'.*Max retries exceeded with url\: (\/\w*).*(\[Errno \d+\])([A-Za-z ]*)"
             m = re.match(err_regex, str(e))
             if m is None:
-                raise #pragma: no cover
+                raise # pragma: no cover
             else:
                 host, path, _err_no, err_msg = m.groups()
                 raise ValueError("Requesting {0}{1}:{2}".format(host, path, err_msg))
diff --git a/acme/acme/client_test.py b/acme/acme/client_test.py
index ff0ac18ef..6e6a0fecd 100644
--- a/acme/acme/client_test.py
+++ b/acme/acme/client_test.py
@@ -627,11 +627,15 @@ class ClientNetworkTest(unittest.TestCase):
             # pylint: disable=protected-access
             self.net._send_request('GET', "http://localhost:19123/nonexistent.txt")
 
-        # Python Exceptions
+        # Value Error Generated Exceptions
         except ValueError as y:
             self.assertEqual("Requesting localhost/nonexistent: "
                              "Connection refused", str(y))
 
+        # Requests Library Exceptions
+        except requests.exceptions.RequestException as z:
+            self.assertEqual("('Connection aborted.', error(111, 'Connection refused'))", str(z))
+
 class ClientNetworkWithMockedResponseTest(unittest.TestCase):
     """Tests for acme.client.ClientNetwork which mock out response."""
     # pylint: disable=too-many-instance-attributes