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##### SUMMARY
<!--- Explain the problem briefly below -->
Hi, i am trying to read a secret from the following path
        secret: "{{ lookup('hashi_vault', 'namespace={{NAMESPACE}} secret={{ BRAND }}/{{ ENVIRONMENT }}/secrets/placeholder:foo url={{ VAULT_ADDR }} auth_method={{ VAULT_AUTH_METHOD }} role_id={{ VAULT_ROLE_ID }} secret_id={{ VAULT_SECRET_ID }}')}}"

but this fails with no secret found at location. 
we are using enterprise and this uses the KV engine

vault kv get {{ BRAND }}/{{ ENVIRONMENT }}/secrets/placeholder:foo


##### ISSUE TYPE
- Bug Report
unable to read from kv data store

##### COMPONENT NAME
<!--- Write the short name of the module, plugin, task or feature below, use your best guess if unsure -->
hashi_vault

##### ANSIBLE VERSION
<!--- Paste verbatim output from "ansible --version" between quotes -->
```paste below
2.8
```

##### CONFIGURATION
<!--- Paste verbatim output from "ansible-config dump --only-changed" between quotes -->
```paste below

```

##### OS / ENVIRONMENT
<!--- Provide all relevant information below, e.g. target OS versions, network device firmware, etc. -->


##### STEPS TO REPRODUCE
<!--- Describe exactly how to reproduce the problem, using a minimal test-case -->

<!--- Paste example playbooks or commands between quotes below -->
```yaml

```

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##### EXPECTED RESULTS
<!--- Describe what you expected to happen when running the steps above -->


##### ACTUAL RESULTS
<!--- Describe what actually happened. If possible run with extra verbosity (-vvvv) -->

<!--- Paste verbatim command output between quotes -->
```paste below

```

username, password, mount_point = self.check_params(**kwargs)
        if mount_point is None:
            mount_point = 'userpass'
        self.client.auth_userpass(username, password, mount_point=mount_point)
    def auth_ldap(self, **kwargs):
        username, password, mount_point = self.check_params(**kwargs)
        if mount_point is None:
            mount_point = 'ldap'
        self.client.auth_ldap(username, password, mount_point=mount_point)
    def boolean_or_cacert(self, validate_certs, cacert):
        validate_certs = boolean(validate_certs, strict=False)
        '''' return a bool or cacert '''
        if validate_certs is True:
            if cacert != '':
                return cacert
            else:
                return True
        else:
            return False
    def auth_approle(self, **kwargs):
        role_id = kwargs.get('role_id', os.environ.get('VAULT_ROLE_ID', None))
        if role_id is None:
            raise AnsibleError("Authentication method app role requires a role_id")
        secret_id = kwargs.get('secret_id', os.environ.get('VAULT_SECRET_ID', None))
        if secret_id is None:
            raise AnsibleError("Authentication method app role requires a secret_id")
        self.client.auth_approle(role_id, secret_id)
class LookupModule(LookupBase):