diff --git a/moto/acm/models.py b/moto/acm/models.py
index 46a7d97b..b51d7aa6 100644
--- a/moto/acm/models.py
+++ b/moto/acm/models.py
@@ -236,7 +236,6 @@ class AWSCertificateManagerBackend(BaseBackend):
                 pass
 
 
-
 acm_backends = {}
 for region, ec2_backend in ec2_backends.items():
     acm_backends[region] = AWSCertificateManagerBackend(region)
diff --git a/moto/acm/responses.py b/moto/acm/responses.py
index 06ef43ba..a9243b7e 100644
--- a/moto/acm/responses.py
+++ b/moto/acm/responses.py
@@ -162,4 +162,3 @@ class AWSCertificateManagerResponse(BaseResponse):
 
     def resend_validation_email(self):
         raise NotImplementedError()
-