diff --git a/.travis.yml b/.travis.yml
index 3a602a76c..ac9322211 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -54,7 +54,7 @@ deploy:
     on:
       branch:
       - master
-    cleanup: false
+    skip_cleanup: true
     skip_existing: true
   # - provider: pypi
   #   distributions: sdist bdist_wheel
diff --git a/moto/core/responses.py b/moto/core/responses.py
index bf4af902a..c708edb8b 100644
--- a/moto/core/responses.py
+++ b/moto/core/responses.py
@@ -307,7 +307,7 @@ class BaseResponse(_TemplateEnvironmentMixin, ActionAuthenticatorMixin):
         def _convert(elem, is_last):
             if not re.match("^{.*}$", elem):
                 return elem
-            name = elem.replace("{", "").replace("}", "")
+            name = elem.replace("{", "").replace("}", "").replace("+", "")
             if is_last:
                 return "(?P<%s>[^/]*)" % name
             return "(?P<%s>.*)" % name
diff --git a/moto/datasync/responses.py b/moto/datasync/responses.py
index 23a480523..03811fb6e 100644
--- a/moto/datasync/responses.py
+++ b/moto/datasync/responses.py
@@ -153,7 +153,7 @@ class DataSyncResponse(BaseResponse):
         task_execution_arn = self._get_param("TaskExecutionArn")
         task_execution = self.datasync_backend._get_task_execution(task_execution_arn)
         result = json.dumps(
-            {"TaskExecutionArn": task_execution.arn, "Status": task_execution.status,}
+            {"TaskExecutionArn": task_execution.arn, "Status": task_execution.status}
         )
         if task_execution.status == "SUCCESS":
             self.datasync_backend.tasks[task_execution.task_arn].status = "AVAILABLE"
diff --git a/moto/datasync/urls.py b/moto/datasync/urls.py
index b70a09f27..69ba3cccb 100644
--- a/moto/datasync/urls.py
+++ b/moto/datasync/urls.py
@@ -4,6 +4,4 @@ from .responses import DataSyncResponse
 
 url_bases = ["https?://(.*?)(datasync)(.*?).amazonaws.com"]
 
-url_paths = {
-    "{0}/$": DataSyncResponse.dispatch,
-}
+url_paths = {"{0}/$": DataSyncResponse.dispatch}
diff --git a/moto/events/models.py b/moto/events/models.py
index be4153b9f..0298c7c69 100644
--- a/moto/events/models.py
+++ b/moto/events/models.py
@@ -316,8 +316,7 @@ class EventsBackend(BaseBackend):
 
         if not event_bus:
             raise JsonRESTError(
-                "ResourceNotFoundException",
-                "Event bus {} does not exist.".format(name),
+                "ResourceNotFoundException", "Event bus {} does not exist.".format(name)
             )
 
         return event_bus
diff --git a/moto/events/responses.py b/moto/events/responses.py
index 98a33218a..b415564f8 100644
--- a/moto/events/responses.py
+++ b/moto/events/responses.py
@@ -261,10 +261,7 @@ class EventsHandler(BaseResponse):
         name = self._get_param("Name")
 
         event_bus = self.events_backend.describe_event_bus(name)
-        response = {
-            "Name": event_bus.name,
-            "Arn": event_bus.arn,
-        }
+        response = {"Name": event_bus.name, "Arn": event_bus.arn}
 
         if event_bus.policy:
             response["Policy"] = event_bus.policy
@@ -285,10 +282,7 @@ class EventsHandler(BaseResponse):
 
         response = []
         for event_bus in self.events_backend.list_event_buses(name_prefix):
-            event_bus_response = {
-                "Name": event_bus.name,
-                "Arn": event_bus.arn,
-            }
+            event_bus_response = {"Name": event_bus.name, "Arn": event_bus.arn}
 
             if event_bus.policy:
                 event_bus_response["Policy"] = event_bus.policy
diff --git a/tests/test_apigateway/test_apigateway.py b/tests/test_apigateway/test_apigateway.py
index de99f1fcf..8da5efa39 100644
--- a/tests/test_apigateway/test_apigateway.py
+++ b/tests/test_apigateway/test_apigateway.py
@@ -563,7 +563,7 @@ def test_create_stage():
     api_id = response["id"]
 
     create_method_integration(client, api_id)
-    response = client.create_deployment(restApiId=api_id, stageName=stage_name,)
+    response = client.create_deployment(restApiId=api_id, stageName=stage_name)
     deployment_id = response["id"]
 
     response = client.get_deployment(restApiId=api_id, deploymentId=deployment_id)
diff --git a/tests/test_dynamodb2/test_dynamodb.py b/tests/test_dynamodb2/test_dynamodb.py
index 2b0833d98..456311028 100644
--- a/tests/test_dynamodb2/test_dynamodb.py
+++ b/tests/test_dynamodb2/test_dynamodb.py
@@ -3335,7 +3335,7 @@ def test_update_item_if_original_value_is_none():
     table.update_item(
         Key={"job_id": "a"},
         UpdateExpression="SET job_name = :output",
-        ExpressionAttributeValues={":output": "updated",},
+        ExpressionAttributeValues={":output": "updated"},
     )
     table.scan()["Items"][0]["job_name"].should.equal("updated")
 
@@ -3354,7 +3354,7 @@ def test_update_nested_item_if_original_value_is_none():
     table.update_item(
         Key={"job_id": "a"},
         UpdateExpression="SET job_details.job_name = :output",
-        ExpressionAttributeValues={":output": "updated",},
+        ExpressionAttributeValues={":output": "updated"},
     )
     table.scan()["Items"][0]["job_details"]["job_name"].should.equal("updated")
 
diff --git a/tests/test_dynamodbstreams/test_dynamodbstreams.py b/tests/test_dynamodbstreams/test_dynamodbstreams.py
index 01cf915af..8fad0ff23 100644
--- a/tests/test_dynamodbstreams/test_dynamodbstreams.py
+++ b/tests/test_dynamodbstreams/test_dynamodbstreams.py
@@ -213,7 +213,7 @@ class TestEdges:
 
         resp = conn.update_table(
             TableName="test-streams",
-            StreamSpecification={"StreamViewType": "KEYS_ONLY"},
+            StreamSpecification={"StreamViewType": "KEYS_ONLY", "StreamEnabled": True},
         )
         assert "StreamSpecification" in resp["TableDescription"]
         assert resp["TableDescription"]["StreamSpecification"] == {
@@ -226,7 +226,10 @@ class TestEdges:
         with assert_raises(conn.exceptions.ResourceInUseException):
             resp = conn.update_table(
                 TableName="test-streams",
-                StreamSpecification={"StreamViewType": "OLD_IMAGES"},
+                StreamSpecification={
+                    "StreamViewType": "OLD_IMAGES",
+                    "StreamEnabled": True,
+                },
             )
 
     def test_stream_with_range_key(self):
@@ -243,7 +246,7 @@ class TestEdges:
                 {"AttributeName": "color", "AttributeType": "S"},
             ],
             ProvisionedThroughput={"ReadCapacityUnits": 1, "WriteCapacityUnits": 1},
-            StreamSpecification={"StreamViewType": "NEW_IMAGES"},
+            StreamSpecification={"StreamViewType": "NEW_IMAGES", "StreamEnabled": True},
         )
         stream_arn = resp["TableDescription"]["LatestStreamArn"]
 
diff --git a/tests/test_iam/test_iam.py b/tests/test_iam/test_iam.py
index 366ea3620..5098de413 100644
--- a/tests/test_iam/test_iam.py
+++ b/tests/test_iam/test_iam.py
@@ -2526,9 +2526,7 @@ def test_get_account_summary():
     )
 
     client.create_instance_profile(InstanceProfileName="test-profile")
-    client.create_open_id_connect_provider(
-        Url="https://example.com", ThumbprintList=[],
-    )
+    client.create_open_id_connect_provider(Url="https://example.com", ThumbprintList=[])
     response_policy = client.create_policy(
         PolicyName="test-policy", PolicyDocument=MOCK_POLICY
     )