Promulgate house's fix for docker_volume to docker_secret

* Revert change to docker_common as it's not as good as the try: except fix
* limit docker_volume fix to ImportErrors
* fix docker_secret i nthe same way
* Remove docker_secret from import tests

lib/ansible/module_utils/docker_common.py

@@ -90,9 +90,6 @@ if not HAS_DOCKER_PY:
         def __init__(self, **kwargs):
             pass
 
-    class APIError:
-        def __init__(self, **kwargs):
-            pass
 
 class DockerBaseClass(object):
 

lib/ansible/modules/cloud/docker/docker_secret.py

@@ -145,8 +145,15 @@ secret_id:
 '''
 
 import hashlib
+
+try:
+    from docker.errors import APIError
+except ImportError:
+    # missing docker-py handled in ansible.module_utils.docker
+    pass
+
 from ansible.module_utils.basic import AnsibleModule
-from ansible.module_utils.docker_common import AnsibleDockerClient, DockerBaseClass, APIError
+from ansible.module_utils.docker_common import AnsibleDockerClient, DockerBaseClass
 from ansible.module_utils._text import to_native, to_bytes
 
 

lib/ansible/modules/cloud/docker/docker_volume.py

@@ -106,15 +106,15 @@ facts:
     sample: {}
 '''
 
-from ansible.module_utils.six import iteritems, text_type
-from ansible.module_utils.docker_common import DockerBaseClass, AnsibleDockerClient
-
 try:
     from docker.errors import APIError
-except:
+except ImportError:
     # missing docker-py handled in ansible.module_utils.docker
     pass
 
+from ansible.module_utils.six import iteritems, text_type
+from ansible.module_utils.docker_common import DockerBaseClass, AnsibleDockerClient
+
 
 class TaskParameters(DockerBaseClass):
     def __init__(self, client):