remove duplicate imports
diff --git a/test/test_crypto.py b/test/test_crypto.py
index 1b4b910..71fa08e 100644
--- a/test/test_crypto.py
+++ b/test/test_crypto.py
@@ -5,20 +5,16 @@
"""
from unittest import TestCase, main
+from subprocess import Popen, PIPE
from OpenSSL.crypto import TYPE_RSA, TYPE_DSA, Error, PKey, PKeyType
from OpenSSL.crypto import X509, X509Type, X509Name, X509NameType
from OpenSSL.crypto import X509Req, X509ReqType
from OpenSSL.crypto import X509Extension, X509ExtensionType
-from OpenSSL.crypto import FILETYPE_PEM, load_certificate, load_privatekey
-from OpenSSL.crypto import FILETYPE_PEM, FILETYPE_ASN1
-from OpenSSL.crypto import FILETYPE_TEXT
from OpenSSL.crypto import load_certificate, load_privatekey
-from OpenSSL.crypto import load_certificate_request
-from OpenSSL.crypto import dump_certificate, dump_privatekey
-from OpenSSL.crypto import dump_certificate_request
-from subprocess import Popen, PIPE
-from OpenSSL.crypto import dump_privatekey
+from OpenSSL.crypto import FILETYPE_PEM, FILETYPE_ASN1, FILETYPE_TEXT
+from OpenSSL.crypto import dump_certificate, load_certificate_request
+from OpenSSL.crypto import dump_certificate_request, dump_privatekey
cleartextCertificatePEM = """-----BEGIN CERTIFICATE-----