serverless: fix broken import

lib/ansible/modules/cloud/misc/serverless.py

@@ -58,7 +58,7 @@ options:
     default: true
 notes:
    - Currently, the `serverless` command must be in the path of the node executing the task. In the future this may be a flag.
-requirements: [ "serverless" ]
+requirements: [ "serverless", "yaml" ]
 author: "Ryan Scott Brown @ryansb"
 '''
 
@@ -116,7 +116,12 @@ command:
 
 import os
 import traceback
-import yaml
+
+try:
+    import yaml
+    HAS_YAML = True
+except ImportError:
+    HAS_YAML = False
 
 from ansible.module_utils.basic import AnsibleModule
 
@@ -159,6 +164,9 @@ def main():
         ),
     )
 
+    if not HAS_YAML:
+        module.fail_json(msg='yaml is required for this module')
+
     service_path = module.params.get('service_path')
     state = module.params.get('state')
     functions = module.params.get('functions')

test/sanity/import/skip.txt

@@ -43,7 +43,6 @@ lib/ansible/modules/cloud/dimensiondata/dimensiondata_network.py
 lib/ansible/modules/cloud/google/gc_storage.py
 lib/ansible/modules/cloud/google/gcdns_record.py
 lib/ansible/modules/cloud/google/gcdns_zone.py
-lib/ansible/modules/cloud/misc/serverless.py
 lib/ansible/modules/cloud/ovirt/ovirt_disks.py
 lib/ansible/modules/cloud/univention/udm_user.py
 lib/ansible/modules/cloud/webfaction/webfaction_app.py