Flake8 fixes

moto/ec2/responses/launch_templates.py

@@ -37,7 +37,7 @@ def xml_serialize(tree, key, value):
     elif isinstance(value, list):
         for item in value:
             xml_serialize(node, 'item', item)
-    elif value == None:
+    elif value is None:
         pass
     else:
         raise NotImplementedError("Don't know how to serialize \"{}\" to xml".format(value.__class__))
@@ -99,7 +99,6 @@ class LaunchTemplates(BaseResponse):
         raw_template_data = self._get_dict_param('LaunchTemplateData.')
         parsed_template_data = parse_object(raw_template_data)
 
-
         if self.is_not_dryrun('CreateLaunchTemplate'):
             if tag_spec:
                 if 'TagSpecifications' not in parsed_template_data:
@@ -176,7 +175,6 @@ class LaunchTemplates(BaseResponse):
         min_version = self._get_int_param("MinVersion")
         max_version = self._get_int_param("MaxVersion")
 
-
         filters = filters_from_querystring(self.querystring)
         if filters:
             raise FilterNotImplementedError("all filters", "DescribeLaunchTemplateVersions")

tests/test_ec2/test_launch_templates.py

@@ -6,6 +6,7 @@ from botocore.client import ClientError
 
 from moto import mock_ec2
 
+
 @mock_ec2
 def test_launch_template_create():
     cli = boto3.client("ec2", region_name="us-east-1")
@@ -89,6 +90,7 @@ def test_describe_launch_template_versions():
     templ = resp["LaunchTemplateVersions"][0]["LaunchTemplateData"]
     templ.should.equal(template_data)
 
+
 @mock_ec2
 def test_create_launch_template_version():
     cli = boto3.client("ec2", region_name="us-east-1")
@@ -113,6 +115,7 @@ def test_create_launch_template_version():
     version["VersionDescription"].should.equal("new ami")
     version["VersionNumber"].should.equal(2)
 
+
 @mock_ec2
 def test_create_launch_template_version_by_id():
     cli = boto3.client("ec2", region_name="us-east-1")
@@ -189,7 +192,7 @@ def test_describe_launch_template_versions_with_versions_option():
 
     resp = cli.describe_launch_template_versions(
         LaunchTemplateName="test-template",
-        Versions=["2","3"])
+        Versions=["2", "3"])
 
     resp["LaunchTemplateVersions"].should.have.length_of(2)
     resp["LaunchTemplateVersions"][0]["LaunchTemplateData"]["ImageId"].should.equal("ami-def456")
@@ -303,7 +306,6 @@ def test_describe_launch_template_versions_with_min_and_max():
     resp["LaunchTemplateVersions"][1]["LaunchTemplateData"]["ImageId"].should.equal("ami-hij789")
 
 
-
 @mock_ec2
 def test_describe_launch_templates():
     cli = boto3.client("ec2", region_name="us-east-1")
@@ -345,6 +347,7 @@ def test_describe_launch_templates():
     resp["LaunchTemplates"][0]["LaunchTemplateName"].should.equal("test-template")
     resp["LaunchTemplates"][1]["LaunchTemplateName"].should.equal("test-template2")
 
+
 @mock_ec2
 def test_describe_launch_templates_with_filters():
     cli = boto3.client("ec2", region_name="us-east-1")
@@ -388,7 +391,7 @@ def test_create_launch_template_with_tag_spec():
 
     cli.create_launch_template(
         LaunchTemplateName="test-template",
-        LaunchTemplateData={"ImageId":"ami-abc123"},
+        LaunchTemplateData={"ImageId": "ami-abc123"},
         TagSpecifications=[{
             "ResourceType": "instance",
             "Tags": [