Update app.py

app.py

@@ -76,7 +76,7 @@ def visualize_github_repo(repo_name, repo_branch, mistral_api_key):
                 if "parse_plan" in s:
                     yield "Planning done! Parsing the plan!"#, None)
                 if "explore_file" in s:
-                    yield f"Exploration started! Exploring file: {s['explore_file']['explored_files'][-1]} !",
+                    yield f"Exploration started! Exploring file: {s['explore_file']['explored_files'][-1]} !"
 
                 if "generate_mermaid_code" in s:
                     yield "Exploration done! Gathering thoughts and generating a graph!",