fix indentation
diff --git a/cryptography/hazmat/backends/openssl/backend.py b/cryptography/hazmat/backends/openssl/backend.py
index 4fdede5..d9d8458 100644
--- a/cryptography/hazmat/backends/openssl/backend.py
+++ b/cryptography/hazmat/backends/openssl/backend.py
@@ -515,17 +515,17 @@
raise UnsupportedAlgorithm("Unsupported key type.")
def _ec_key_curve_sn(self, ec_key):
- group = self._lib.EC_KEY_get0_group(ec_key)
- assert group != self._ffi.NULL
+ group = self._lib.EC_KEY_get0_group(ec_key)
+ assert group != self._ffi.NULL
- nid = self._lib.EC_GROUP_get_curve_name(group)
- assert nid != 0
+ nid = self._lib.EC_GROUP_get_curve_name(group)
+ assert nid != 0
- curve_name = self._lib.OBJ_nid2sn(nid)
- assert curve_name != self._ffi.NULL
+ curve_name = self._lib.OBJ_nid2sn(nid)
+ assert curve_name != self._ffi.NULL
- sn = self._ffi.string(curve_name).decode('ascii')
- return sn
+ sn = self._ffi.string(curve_name).decode('ascii')
+ return sn
def _pem_password_cb(self, password):
"""