[Fix] Forgot password is not working (#6255)

frappe/core/doctype/user/user.py

@@ -15,7 +15,6 @@ import re
 from frappe.limits import get_limits
 from frappe.website.utils import is_signup_enabled
 from frappe.utils.background_jobs import enqueue
-from six import string_types
 
 STANDARD_USERS = ("Guest", "Administrator")
 
@@ -802,9 +801,6 @@ def reset_password(user):
 	if user=="Administrator":
 		return 'not allowed'
 
-	if isinstance(send_email, string_types):
-		if send_email=='false': send_email = False
-
 	try:
 		user = frappe.get_doc("User", user)
 		if not user.enabled: