Drop usage of extras.hasattr

... because the method was already removed from extras[1], and can be
easily replaced by the built-in hasattr method.

[1] 304c046b05c72c5597f5b0568c08bbd585408973

Change-Id: Ia727f3e031f6162ef7864168f4c7c41c9b38709e

os_client_config/tests/base.py

@@ -22,7 +22,6 @@ import tempfile
 
 from os_client_config import cloud_config
 
-import extras
 import fixtures
 from oslotest import base
 import yaml
@@ -230,7 +229,7 @@ class TestCase(base.BaseTestCase):
 
     def _assert_cloud_details(self, cc):
         self.assertIsInstance(cc, cloud_config.CloudConfig)
-        self.assertTrue(extras.safe_hasattr(cc, 'auth'))
+        self.assertTrue(hasattr(cc, 'auth'))
         self.assertIsInstance(cc.auth, dict)
         self.assertIsNone(cc.cloud)
         self.assertIn('username', cc.auth)

os_client_config/tests/test_config.py

@@ -16,7 +16,6 @@ import argparse
 import copy
 import os
 
-import extras
 import fixtures
 import testtools
 import yaml
@@ -677,7 +676,7 @@ class TestConfigArgparse(base.TestCase):
         # Not using assert_cloud_details because of cache settings which
         # are not present without the file
         self.assertIsInstance(cc, cloud_config.CloudConfig)
-        self.assertTrue(extras.safe_hasattr(cc, 'auth'))
+        self.assertTrue(hasattr(cc, 'auth'))
         self.assertIsInstance(cc.auth, dict)
         self.assertIsNone(cc.cloud)
         self.assertIn('username', cc.auth)

test-requirements.txt

@@ -5,7 +5,6 @@
 hacking>=1.1.0,<1.2.0 # Apache-2.0
 
 coverage!=4.4,>=4.0 # Apache-2.0
-extras>=1.0.0 # MIT
 fixtures>=3.0.0 # Apache-2.0/BSD
 jsonschema>=3.2.0 # MIT
 python-glanceclient>=2.8.0 # Apache-2.0