Some cleanups to imports
diff --git a/tests/hazmat/backends/test_openssl.py b/tests/hazmat/backends/test_openssl.py
index 6ab1662..4c30cae 100644
--- a/tests/hazmat/backends/test_openssl.py
+++ b/tests/hazmat/backends/test_openssl.py
@@ -16,9 +16,7 @@
 import pytest
 
 from cryptography import utils
-from cryptography.exceptions import (
-    InternalError, _Reasons
-)
+from cryptography.exceptions import InternalError, _Reasons
 from cryptography.hazmat.backends.openssl.backend import Backend, backend
 from cryptography.hazmat.primitives import hashes, interfaces
 from cryptography.hazmat.primitives.asymmetric import dsa, padding, rsa
@@ -28,7 +26,6 @@
 
 from ...utils import raises_unsupported_algorithm
 
-from cryptography.utils import bit_length
 
 
 @utils.register_interface(interfaces.Mode)
@@ -211,9 +208,9 @@
     )
     def test_large_key_size_on_new_openssl(self):
         parameters = dsa.DSAParameters.generate(2048, backend)
-        assert bit_length(parameters.p) == 2048
+        assert utils.bit_length(parameters.p) == 2048
         parameters = dsa.DSAParameters.generate(3072, backend)
-        assert bit_length(parameters.p) == 3072
+        assert utils.bit_length(parameters.p) == 3072
 
 
 class TestOpenSSLRandomEngine(object):
diff --git a/tests/utils.py b/tests/utils.py
index 3546182..6ee735a 100644
--- a/tests/utils.py
+++ b/tests/utils.py
@@ -21,6 +21,7 @@
 import six
 
 from cryptography.exceptions import UnsupportedAlgorithm
+
 import cryptography_vectors