Update app.py

app.py

@@ -153,7 +153,7 @@ def build_space(repo_name,file_name,file_content,access_token=""):
         client.commit_repo(space_id, message=commit_message)
         return [{'role':'assistant','content': commit_message+'\nCommit Success' }]
     except Exception as e:
-        return [{'role':'assistant','content': 'There was an Error: '+e}]
+        return [{'role':'assistant','content': 'There was an Error: ' + str(e)}]
 
         
 def agent(prompt_in,history,mod=2):