bug fix ...

cms/engine/themes/__init__.py

@@ -32,7 +32,11 @@ def Get(theme,_url= URL) :
     """
     try:
         _url = '/'.join([_url,'api','themes','Get']) +f'?theme={theme}'
-        return requests.get(_url).json()
+        try:
+            return requests.get(_url).json()
+        except Exception as e:
+            pass
+        return None
     except Exception as e:
         pass
     return {}