VMware: correct documentation for datacenter (#38718)

This fixes documentation related to datacenter in vmware_guest_find
module.

Fixes: #38290

Signed-off-by: Abhijeet Kasurde <akasurde@redhat.com>

lib/ansible/modules/cloud/vmware/vmware_guest_find.py

@@ -30,20 +30,19 @@ options:
    name:
      description:
      - Name of the VM to work with.
-            - This is required if uuid is not supplied.
+     - This is required if C(uuid) parameter is not supplied.
    uuid:
      description:
      - UUID of the instance to manage if known, this is VMware's BIOS UUID.
-            - This is required if name is not supplied.
+     - This is required if C(name) parameter is not supplied.
    datacenter:
      description:
      - Destination datacenter for the find operation.
      - Deprecated in 2.5, will be removed in 2.9 release.
-        required: True
 extends_documentation_fragment: vmware.documentation
 '''
 
-EXAMPLES = '''
+EXAMPLES = r'''
 - name: Find Guest's Folder using name
   vmware_guest_find:
     hostname: 192.168.1.209
@@ -68,6 +67,9 @@ folders:
     description: List of folders for user specified virtual machine
     returned: on success
     type: list
+    sample: [
+        '/DC0/vm',
+    ]
 """
 
 
@@ -75,9 +77,7 @@ from ansible.module_utils.basic import AnsibleModule
 from ansible.module_utils._text import to_native
 from ansible.module_utils.vmware import PyVmomi, get_all_objs, vmware_argument_spec
 
-
 try:
-    import pyVmomi
     from pyVmomi import vim
 except ImportError:
     pass
@@ -86,8 +86,6 @@ except ImportError:
 class PyVmomiHelper(PyVmomi):
     def __init__(self, module):
         super(PyVmomiHelper, self).__init__(module)
-        self.datacenter = None
-        self.folders = None
         self.name = self.params['name']
         self.uuid = self.params['uuid']
 
@@ -112,11 +110,13 @@ def main():
     argument_spec.update(
         name=dict(type='str'),
         uuid=dict(type='str'),
-        datacenter=dict(removed_in_version=2.9, type='str', required=True)
+        datacenter=dict(removed_in_version=2.9, type='str')
     )
 
     module = AnsibleModule(argument_spec=argument_spec,
-                           required_one_of=[['name', 'uuid']])
+                           required_one_of=[['name', 'uuid']],
+                           mutually_exclusive=[['name', 'uuid']],
+                           )
 
     pyv = PyVmomiHelper(module)
     # Check if the VM exists before continuing