Fix disabling hsts

wo/core/fileutils.py

@@ -370,7 +370,7 @@ class WOFileUtils():
 
     def enabledisable(self, path, enable=True):
         """Switch conf from .conf.disabled to .conf or vice-versa"""
-        if enable:
+        if enable is True:
             Log.debug(self, "Check if disabled file exist")
             if os.path.exists('{0}.disabled'.format(path)):
                 Log.debug(self, "Moving .disabled file")

wo/core/sslutils.py

@@ -136,7 +136,7 @@ class SSL:
 
     def setuphsts(self, wo_domain_name, enable=True):
         """Enable or disable htsts for a site"""
-        if enable:
+        if enable is True:
             if WOFileUtils.enabledisable(
                 self, '/var/www/{0}/conf/nginx/hsts.conf'
             ):