fix for latest flake8 (#3829)

diff --git a/src/cryptography/hazmat/backends/openssl/encode_asn1.py b/src/cryptography/hazmat/backends/openssl/encode_asn1.py
index dc1f61a..399000a 100644
--- a/src/cryptography/hazmat/backends/openssl/encode_asn1.py
+++ b/src/cryptography/hazmat/backends/openssl/encode_asn1.py
@@ -93,7 +93,7 @@
                 name_entry, backend._lib.X509_NAME_ENTRY_free
             )
             res = backend._lib.X509_NAME_add_entry(
-                    subject, name_entry, -1, set_flag)
+                subject, name_entry, -1, set_flag)
             backend.openssl_assert(res == 1)
             set_flag = -1
     return subject