missing_required_lib: add information how to change Python interpreter (#60736)

* Add information how to change Python interpreter used by Ansible.

* Update lib/ansible/module_utils/basic.py

Co-Authored-By: Abhijeet Kasurde <akasurde@redhat.com>

* Make test less dependent on exact message.

lib/ansible/module_utils/basic.py

@@ -567,7 +567,10 @@ def missing_required_lib(library, reason=None, url=None):
     if url:
         msg += " See %s for more info." % url
 
-    return msg + " Please read module documentation and install in the appropriate location"
+    msg += (" Please read module documentation and install in the appropriate location."
+            " If the required library is installed, but Ansible is using the wrong Python interpreter,"
+            " please consult the documentation on ansible_python_interpreter")
+    return msg
 
 
 class AnsibleFallbackNotFound(Exception):

test/units/plugins/lookup/test_laps_password.py

@@ -108,10 +108,12 @@ def test_missing_ldap(laps_password):
     with pytest.raises(AnsibleLookupError) as err:
         lookup_loader.get('laps_password').run(["host"], domain="test")
 
-    assert str(err.value) == "Failed to import the required Python library (python-ldap) on %s's Python %s. See " \
-                             "https://pypi.org/project/python-ldap/ for more info. Please read module documentation " \
-                             "and install in the appropriate location. " \
-                             "Import Error: no import for you!" % (platform.node(), sys.executable)
+    assert str(err.value).startswith(
+        "Failed to import the required Python library (python-ldap) on %s's Python %s. See "
+        "https://pypi.org/project/python-ldap/ for more info. Please "
+        % (platform.node(), sys.executable)
+    )
+    assert str(err.value).endswith(". Import Error: no import for you!")
 
 
 def test_invalid_cert_mapping():