diff --git a/action_plugins/ldap.py b/action_plugins/ldap.py
index f94f7d5..5e6cde3 100644
--- a/action_plugins/ldap.py
+++ b/action_plugins/ldap.py
@@ -7,11 +7,12 @@ from ansible.errors import AnsibleError
 from ansible.utils.vars import merge_hash
 from ansible.module_utils._text import to_text
 from ansible.module_utils.parsing.convert_bool import boolean
+import six
 import sys
 import re
 import base64
 import io
-from six import string_types
+
 try:
     import ldap
     import ldif
@@ -44,16 +45,16 @@ from base64 import decodestring as b64decode
 
 def makeSecret(password):
     salt = os.urandom(4)
-    h = hashlib.sha1(password)
+    h = hashlib.sha1(password.encode('utf-8'))
     h.update(salt)
-    return "{SSHA}" + b64encode(h.digest() + salt)[:-1]
+    return "{SSHA}" + b64encode(h.digest() + salt)[:-1].decode()
 
 def checkPassword(challenge_password, password):
     try:
         challenge_bytes = b64decode(challenge_password[6:])
         digest = challenge_bytes[:20]
         salt = challenge_bytes[20:]
-        hr = hashlib.sha1(password)
+        hr = hashlib.sha1(password.encode('utf-8'))
         hr.update(salt)
         return digest == hr.digest()
     except:
@@ -266,7 +267,7 @@ class ActionModule(ActionBase):
 
         qfilter = '(objectClass=*)'
         # armar el filtro de búsqueda agregando los filtros adicionales
-        if isinstance(self.search_filter, string_types):
+        if isinstance(self.search_filter, six.string_types):
             qfilter = self.search_filter
         else:
             for f in self.search_filter:
@@ -381,7 +382,7 @@ class ActionModule(ActionBase):
         '''Verificar/actualizar valor para un atributo'''
 
         if attribute in self.ATTR_PASSWORD:
-            if not isinstance(value, string_types):
+            if not isinstance(value, six.string_types):
                 value = value[0]
             if checkPassword(self.attrs.get(attribute,[None])[0], value):
                 # si la clave matchea, salir
@@ -396,7 +397,7 @@ class ActionModule(ActionBase):
                 value = [makeSecret(value)]
 
         # convertir el valor a una lista
-        if isinstance(value, string_types):
+        if isinstance(value, six.string_types):
             value = [value]
 
         changed = False
@@ -447,9 +448,11 @@ class ActionModule(ActionBase):
 
         # Asegurar que la importación LDAP no falló, salir con gracia
         if not HAS_LDAP:
+            import platform
             return merge_hash( self.result, {
                 'failed': True,
-                'msg': "Missing required 'ldap' module (pip install python-ldap)."
+                'msg': "Missing required 'ldap' module (pip install python-ldap). "
+                       "Python version: {}".format(platform.python_version())
             })
 
         try: