diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 8eaed9c..89f1365 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,6 +1,6 @@
 repos:
 -   repo: https://github.com/python/black
-    rev: 18.6b4
+    rev: 19.10b0
     hooks:
     - id: black
-      language_version: python3.6
+      language_version: python3.8
diff --git a/.travis.yml b/.travis.yml
index 1390545..ef4b68b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,6 @@
 language: python
 python:
-  - "3.6"
+  - "3.8"
 sudo: required
 
 before_install:
diff --git a/aws/ec2/test_ec2_security_group_opens_all_ports_to_all.py b/aws/ec2/test_ec2_security_group_opens_all_ports_to_all.py
index d4ed73e..763d201 100644
--- a/aws/ec2/test_ec2_security_group_opens_all_ports_to_all.py
+++ b/aws/ec2/test_ec2_security_group_opens_all_ports_to_all.py
@@ -1,5 +1,3 @@
-
-
 import pytest
 
 from aws.ec2.helpers import (
diff --git a/aws/ec2/test_ec2_security_group_opens_all_ports_to_self.py b/aws/ec2/test_ec2_security_group_opens_all_ports_to_self.py
index c82d00a..6127701 100644
--- a/aws/ec2/test_ec2_security_group_opens_all_ports_to_self.py
+++ b/aws/ec2/test_ec2_security_group_opens_all_ports_to_self.py
@@ -1,5 +1,3 @@
-
-
 import pytest
 
 from aws.ec2.helpers import (
diff --git a/aws/iam/meta_test_resources.py b/aws/iam/meta_test_resources.py
index 51255eb..28a6347 100644
--- a/aws/iam/meta_test_resources.py
+++ b/aws/iam/meta_test_resources.py
@@ -1,5 +1,3 @@
-
-
 from dateutil.parser import parse
 
 from aws.iam.resources import iam_users, iam_inline_policies
diff --git a/aws/iam/test_iam_admin_user_with_access_keys.py b/aws/iam/test_iam_admin_user_with_access_keys.py
index b52fa9b..b4d86ca 100644
--- a/aws/iam/test_iam_admin_user_with_access_keys.py
+++ b/aws/iam/test_iam_admin_user_with_access_keys.py
@@ -18,11 +18,7 @@ def test_iam_admin_user_with_access_key(iam_admin_user):
     """
     assert (
         iam_admin_user["CredentialReport"]["access_key_1_active"] != "true"
-    ), "Access key found for admin user: {}".format(
-        iam_admin_user["UserName"]
-    )
+    ), "Access key found for admin user: {}".format(iam_admin_user["UserName"])
     assert (
         iam_admin_user["CredentialReport"]["access_key_2_active"] != "true"
-    ), "Access key found for admin user: {}".format(
-        iam_admin_user["UserName"]
-    )
+    ), "Access key found for admin user: {}".format(iam_admin_user["UserName"])
diff --git a/aws/rds/resources.py b/aws/rds/resources.py
index d42e961..08d259a 100644
--- a/aws/rds/resources.py
+++ b/aws/rds/resources.py
@@ -1,5 +1,3 @@
-
-
 from conftest import botocore_client
 
 
diff --git a/aws/rds/test_rds_db_instance_backup_enabled.py b/aws/rds/test_rds_db_instance_backup_enabled.py
index 5d2acea..233e09d 100644
--- a/aws/rds/test_rds_db_instance_backup_enabled.py
+++ b/aws/rds/test_rds_db_instance_backup_enabled.py
@@ -1,4 +1,3 @@
-
 import pytest
 
 from aws.rds.resources import rds_db_instances_with_tags
diff --git a/aws/rds/test_rds_db_instance_is_multiaz.py b/aws/rds/test_rds_db_instance_is_multiaz.py
index d4c94f4..d31e028 100644
--- a/aws/rds/test_rds_db_instance_is_multiaz.py
+++ b/aws/rds/test_rds_db_instance_is_multiaz.py
@@ -1,4 +1,3 @@
-
 import pytest
 
 from aws.rds.resources import rds_db_instances_with_tags
diff --git a/aws/rds/test_rds_db_instance_is_postgres_with_invalid_certificate.py b/aws/rds/test_rds_db_instance_is_postgres_with_invalid_certificate.py
index 24bbbf6..9473924 100644
--- a/aws/rds/test_rds_db_instance_is_postgres_with_invalid_certificate.py
+++ b/aws/rds/test_rds_db_instance_is_postgres_with_invalid_certificate.py
@@ -1,5 +1,3 @@
-
-
 import datetime
 from botocore.utils import parse_timestamp
 
diff --git a/aws/rds/test_rds_db_instance_minor_version_updates_enabled.py b/aws/rds/test_rds_db_instance_minor_version_updates_enabled.py
index 7d8c674..c8879f8 100644
--- a/aws/rds/test_rds_db_instance_minor_version_updates_enabled.py
+++ b/aws/rds/test_rds_db_instance_minor_version_updates_enabled.py
@@ -1,4 +1,3 @@
-
 import pytest
 
 from aws.rds.resources import rds_db_instances_with_tags
diff --git a/aws/redshift/resources.py b/aws/redshift/resources.py
index f7545ac..831c5ed 100644
--- a/aws/redshift/resources.py
+++ b/aws/redshift/resources.py
@@ -1,5 +1,3 @@
-
-
 from conftest import botocore_client
 
 
diff --git a/aws/redshift/test_redshift_security_group_does_not_allow_all_ips_access.py b/aws/redshift/test_redshift_security_group_does_not_allow_all_ips_access.py
index 7645854..70db247 100644
--- a/aws/redshift/test_redshift_security_group_does_not_allow_all_ips_access.py
+++ b/aws/redshift/test_redshift_security_group_does_not_allow_all_ips_access.py
@@ -1,5 +1,3 @@
-
-
 import pytest
 
 from aws.redshift.resources import redshift_cluster_security_groups
diff --git a/aws/s3/resources.py b/aws/s3/resources.py
index 57d5f2a..cbae993 100644
--- a/aws/s3/resources.py
+++ b/aws/s3/resources.py
@@ -1,5 +1,3 @@
-
-
 from conftest import botocore_client
 
 
diff --git a/aws/s3/test_s3_bucket_cors_disabled.py b/aws/s3/test_s3_bucket_cors_disabled.py
index 8e46ffd..9e8fc11 100644
--- a/aws/s3/test_s3_bucket_cors_disabled.py
+++ b/aws/s3/test_s3_bucket_cors_disabled.py
@@ -1,4 +1,3 @@
-
 import pytest
 
 from aws.s3.resources import s3_buckets, s3_buckets_cors_rules
diff --git a/aws/s3/test_s3_bucket_does_not_grant_all_principals_all_actions.py b/aws/s3/test_s3_bucket_does_not_grant_all_principals_all_actions.py
index fa3c5ca..4514b54 100644
--- a/aws/s3/test_s3_bucket_does_not_grant_all_principals_all_actions.py
+++ b/aws/s3/test_s3_bucket_does_not_grant_all_principals_all_actions.py
@@ -1,4 +1,3 @@
-
 import json
 
 import pytest
diff --git a/aws/s3/test_s3_bucket_logging_enabled.py b/aws/s3/test_s3_bucket_logging_enabled.py
index 2c3c2c6..2fa9196 100644
--- a/aws/s3/test_s3_bucket_logging_enabled.py
+++ b/aws/s3/test_s3_bucket_logging_enabled.py
@@ -1,4 +1,3 @@
-
 import pytest
 
 from aws.s3.resources import s3_buckets, s3_buckets_logging
diff --git a/aws/s3/test_s3_bucket_no_world_acl.py b/aws/s3/test_s3_bucket_no_world_acl.py
index 906dd6d..c2c79d0 100644
--- a/aws/s3/test_s3_bucket_no_world_acl.py
+++ b/aws/s3/test_s3_bucket_no_world_acl.py
@@ -1,4 +1,3 @@
-
 import pytest
 
 from aws.s3.resources import s3_buckets, s3_buckets_acls
diff --git a/aws/s3/test_s3_bucket_versioning_enabled.py b/aws/s3/test_s3_bucket_versioning_enabled.py
index 6e078c4..13084a1 100644
--- a/aws/s3/test_s3_bucket_versioning_enabled.py
+++ b/aws/s3/test_s3_bucket_versioning_enabled.py
@@ -1,4 +1,3 @@
-
 import pytest
 
 from aws.s3.resources import s3_buckets, s3_buckets_versioning
diff --git a/aws/s3/test_s3_bucket_versioning_mfa_delete_enabled.py b/aws/s3/test_s3_bucket_versioning_mfa_delete_enabled.py
index 0f6ea98..fcf2deb 100644
--- a/aws/s3/test_s3_bucket_versioning_mfa_delete_enabled.py
+++ b/aws/s3/test_s3_bucket_versioning_mfa_delete_enabled.py
@@ -1,4 +1,3 @@
-
 import pytest
 
 from aws.s3.resources import s3_buckets, s3_buckets_versioning
diff --git a/aws/s3/test_s3_bucket_web_hosting_disabled.py b/aws/s3/test_s3_bucket_web_hosting_disabled.py
index 96878df..00dabda 100644
--- a/aws/s3/test_s3_bucket_web_hosting_disabled.py
+++ b/aws/s3/test_s3_bucket_web_hosting_disabled.py
@@ -1,4 +1,3 @@
-
 import pytest
 
 from aws.s3.resources import s3_buckets, s3_buckets_website
diff --git a/cache.py b/cache.py
index c80cac3..3feacb5 100644
--- a/cache.py
+++ b/cache.py
@@ -1,4 +1,3 @@
-
 """
 Patch for pytest cache to serialize datetime.datetime
 """
diff --git a/exemptions.py b/exemptions.py
index 004d486..8390155 100644
--- a/exemptions.py
+++ b/exemptions.py
@@ -1,5 +1,3 @@
-
-
 from collections import defaultdict
 from datetime import date
 import re
diff --git a/gcp/iam/test_only_allowed_org_accounts.py b/gcp/iam/test_only_allowed_org_accounts.py
index a1404b6..979e9ff 100644
--- a/gcp/iam/test_only_allowed_org_accounts.py
+++ b/gcp/iam/test_only_allowed_org_accounts.py
@@ -28,6 +28,4 @@ def test_only_allowed_org_accounts(iam_binding, allowed_org_domains):
             if not member.startswith("serviceAccount"):
                 assert (
                     member.split("@")[-1] in allowed_org_domains
-                ), "{} was found and is not in the allowed_org_domains".format(
-                    member
-                )
+                ), "{} was found and is not in the allowed_org_domains".format(member)
diff --git a/gcp/sql/test_sql_instance_private_ip_required.py b/gcp/sql/test_sql_instance_private_ip_required.py
index 2e03f70..ba8f088 100644
--- a/gcp/sql/test_sql_instance_private_ip_required.py
+++ b/gcp/sql/test_sql_instance_private_ip_required.py
@@ -22,6 +22,4 @@ def test_sql_instance_private_ip_required(sql_instance):
     assert (
         sql_instance.get("settings").get("ipConfiguration").get("ipv4Enabled", None)
         == False
-    ), "CloudSQL Instance {0[name]} has a public IPv4 enabled.".format(
-        sql_instance
-    )
+    ), "CloudSQL Instance {0[name]} has a public IPv4 enabled.".format(sql_instance)
diff --git a/heroku/resources.py b/heroku/resources.py
index c82ed47..e66a54f 100644
--- a/heroku/resources.py
+++ b/heroku/resources.py
@@ -1,4 +1,3 @@
-
 from conftest import heroku_client
 
 
diff --git a/meta_test_cache.py b/meta_test_cache.py
index d5cef64..6e5e819 100644
--- a/meta_test_cache.py
+++ b/meta_test_cache.py
@@ -1,5 +1,3 @@
-
-
 from datetime import datetime
 from dateutil.parser import parse
 
diff --git a/pagerduty/helpers.py b/pagerduty/helpers.py
index 4dc69f9..f18ce39 100644
--- a/pagerduty/helpers.py
+++ b/pagerduty/helpers.py
@@ -1,5 +1,3 @@
-
-
 from pagerduty.resources import alternate_usernames
 
 
diff --git a/pagerduty/resources.py b/pagerduty/resources.py
index dc1efa8..93f1b73 100644
--- a/pagerduty/resources.py
+++ b/pagerduty/resources.py
@@ -1,5 +1,3 @@
-
-
 import functools
 import json
 from pathlib import Path
diff --git a/pagerduty/test_bastion_users_have_pd_remote_monitoring_configured.py b/pagerduty/test_bastion_users_have_pd_remote_monitoring_configured.py
index 21b8432..acf9adc 100644
--- a/pagerduty/test_bastion_users_have_pd_remote_monitoring_configured.py
+++ b/pagerduty/test_bastion_users_have_pd_remote_monitoring_configured.py
@@ -1,5 +1,3 @@
-
-
 import pytest
 
 from pagerduty.helpers import alternate_names_for_user
diff --git a/pagerduty/test_iam_users_have_pd_remote_monitoring_configured.py b/pagerduty/test_iam_users_have_pd_remote_monitoring_configured.py
index ba20c53..90a78a0 100644
--- a/pagerduty/test_iam_users_have_pd_remote_monitoring_configured.py
+++ b/pagerduty/test_iam_users_have_pd_remote_monitoring_configured.py
@@ -1,10 +1,8 @@
-
-
 import pytest
 from aws.iam.resources import get_all_users_that_can_access_aws_account
 from pagerduty.helpers import alternate_names_for_user
 from pagerduty.resources import (
-    users_with_remote_access_escalation_policy_and_extension_configured
+    users_with_remote_access_escalation_policy_and_extension_configured,
 )
 
 
diff --git a/regressions.py b/regressions.py
index 9207787..f2d4674 100644
--- a/regressions.py
+++ b/regressions.py
@@ -1,4 +1,3 @@
-
 from collections import defaultdict
 import re
 import warnings
diff --git a/severity.py b/severity.py
index e8bac2d..b2faf69 100644
--- a/severity.py
+++ b/severity.py
@@ -1,5 +1,3 @@
-
-
 from collections import defaultdict
 import warnings