F401: Remove unused imports

plugins/lookup/k8s.py

@@ -202,7 +202,6 @@ from ansible_collections.community.kubernetes.plugins.module_utils.common import
 
 
 try:
-    from openshift.dynamic import DynamicClient
     from openshift.dynamic.exceptions import NotFoundError
     HAS_K8S_MODULE_HELPER = True
     k8s_import_exception = None
@@ -210,12 +209,6 @@ except ImportError as e:
     HAS_K8S_MODULE_HELPER = False
     k8s_import_exception = e
 
-try:
-    import yaml
-    HAS_YAML = True
-except ImportError:
-    HAS_YAML = False
-
 
 class KubernetesLookup(K8sAnsibleMixin):
 
@@ -226,11 +219,6 @@ class KubernetesLookup(K8sAnsibleMixin):
                 "Requires the OpenShift Python client. Try `pip install openshift`. Detail: {0}".format(k8s_import_exception)
             )
 
-        if not HAS_YAML:
-            raise Exception(
-                "Requires PyYAML. Try `pip install PyYAML`"
-            )
-
         self.kind = None
         self.name = None
         self.namespace = None