ensure profile key is a str

dotdrop/config.py

@@ -216,7 +216,9 @@ class Cfg:
         """ returns a list of dotfiles for a specific profile """
         if profile not in self.prodots:
             return []
-        return sorted(self.prodots[profile], key=lambda x: x.key, reverse=True)
+        return sorted(self.prodots[profile],
+                      key=lambda x: str(x.key),
+                      reverse=True)
 
     def get_profiles(self):
         """ returns all defined profiles """