Request for Managed Entity Object Sometimes Returns a HostSystem Object

Probably between 1/2 to 1/3 of the time when I create a managed entity object I receive a host object. It's frustrating because the issue doesn't present consistently.

content = si.RetrieveContent()

me_obj = get_object(content, [vim.ManagedEntity], host_ip)
In [9]: me_obj
Out[9]: 'vim.HostSystem:host-1826'

host_obj = get_object(content, [vim.HostSystem], host_ip)
In [11]: host_obj
Out[11]: 'vim.HostSystem:host-1826'

I've tried a number of different things including setting the variables to empty before attempts to no avail.

I've been fighting this for a couple of months now but it wasn't mission critical. Now the issue has become much more critical and I still can't figure out what I'm missing. Any help would be greatly appreciated.

verions:
pyvmomi==6.7.0
vCenter 6.7.0 Build 9433931

Start by reproducing the calls shown around get_object(content, [vim.ManagedEntity], host_ip) and get_object(content, [vim.HostSystem], host_ip). Trace how the pyvmomi lookup handles the requested type and returned object, using the reported pyvmomi 6.7.0 and vCenter 6.7.0 versions. Done means the cause of the inconsistent HostSystem result is identified and the requested managed entity type is handled consistently.