testing latest commit from pyhive pr

pyhive/tests/test_hive.py

@@ -7,6 +7,7 @@
 from __future__ import absolute_import
 from __future__ import unicode_literals
 
+import pkgutil
 import contextlib
 import datetime
 import os
@@ -204,13 +205,14 @@ def test_custom_transport(self):
         sasl_auth = 'PLAIN'
 
         def get_installed_sasl():
-            try:
+            if pkgutil.find_loader('sasl'):
                 return hive.get_sasl_client(host='localhost', sasl_auth=sasl_auth, username='test_username', password='x')
                 # The sasl library is available
-            except ImportError:
+            elif pkgutil.find_loader('puresasl'):
                 # Fallback to pure-sasl library
                 return hive.get_pure_sasl_client(host='localhost', sasl_auth=sasl_auth, username='test_username', password='x')
-
+            else:
+                raise ValueError("No suitable SASL module available. Please install either sasl or pure-sasl.")
 
         transport = thrift_sasl.TSaslClientTransport(get_installed_sasl, sasl_auth, socket)
         conn = hive.connect(thrift_transport=transport)