diff --git a/easywks/process.py b/easywks/process.py
index 2aca845..8daaf17 100644
--- a/easywks/process.py
+++ b/easywks/process.py
@@ -7,7 +7,7 @@ from .config import Config, \
     POLICY_MAILBOX_ONLY, EWP_MAX_REVOKED_KEYS, EWP_STRIP_UNVERIFIED_UIDS, EWP_STRIP_3RDPARTY_SIGNATURES, \
     EWP_STRIP_UA_UIDS, EWP_MINIMIZE_REVOKED_KEYS, EWP_PERMIT_UNSIGNED_RESPONSE, POLICY_AUTH_SUBMIT
 from .files import read_pending_key, write_public_key, remove_pending_key, write_pending_key
-from .types import SubmissionRequest, ConfirmationResponse, PublishResponse, ConfirmationRequest, EasyWksError,\
+from .types import SubmissionRequest, ConfirmationResponse, PublishResponse, ConfirmationRequest, EasyWksError, \
     XLOOP_HEADER
 from .types import fingerprint
 from .util import split_revoked